Find the missing number in the following sequence:  4, 8, 12, 16, 20, __
The missing number in this sequence is `24`. This is an arithmetic sequence with a common difference of `4` between consecutive terms. Adding `4` to the last number in the sequence `20` gives us `24`.
Complete the following task based on the instruction and optional input provided.### Instruction:
Find the missing number in the following sequence:  4, 8, 12, 16, 20, __

### Output:
The missing number in this sequence is `24`. This is an arithmetic sequence with a common difference of `4` between consecutive terms. Adding `4` to the last number in the sequence `20` gives us `24`.