ELLEPHIELGIN ELLEPHIELGIN Math Answered III. Use the cross product rule to find the missing term in the following proportions. 21. n/6 = 36/24 * 22. 9/7 = n/147 * 23. 11/n = 33:15 * 24. 35:49 = 5:n * 25. n:30 = 1:2 *