Home / 21,737.58-32,411.66-21,343.92

Finding the Fourth Proportional to 21,737.58, 32,411.66 and 21,343.92

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Solution

The fourth proportional to 21,737.58, 32,411.66 and 21,343.92 is: 31,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,737.58 : 32,411.66 = 21,343.92 : x
  2. Step 2: Convert to fraction form
    21,737.58/32,411.66 = 21,343.92/x
  3. Step 3: Cross multiply
    21,737.58x = 32,411.66 × 21,343.92
  4. Step 4: Simplify right side
    21,737.58x = 691,792,042.26
  5. Step 5: Solve for x
    x = 691,792,042.26/21,737.58
  6. Step 6: Final answer
    x = 31,824.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.