Level:
Project ID:
1003158503
Accepted:
1
Clonable:
0
Easy:
0
Let there be four numbers, such that the first three numbers form consecutive arithmetic sequence terms with a difference of \( d=-6 \), and the last three numbers form consecutive terms of a geometric sequence with the common ratio \( q=\frac23 \). Find the fourth number.
\( 8 \)
\( 18 \)
\( 12 \)
\( -24 \)
\( -4 \)