Home / 22,689.08-31,306.44-13,737.41

Finding the Fourth Proportional to 22,689.08, 31,306.44 and 13,737.41

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Solution

The fourth proportional to 22,689.08, 31,306.44 and 13,737.41 is: 18,954.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,689.08 : 31,306.44 = 13,737.41 : x
  2. Step 2: Convert to fraction form
    22,689.08/31,306.44 = 13,737.41/x
  3. Step 3: Cross multiply
    22,689.08x = 31,306.44 × 13,737.41
  4. Step 4: Simplify right side
    22,689.08x = 430,069,414.30
  5. Step 5: Solve for x
    x = 430,069,414.30/22,689.08
  6. Step 6: Final answer
    x = 18,954.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.