Home / 29,380.66-40,545.32-15,951.92

Finding the Fourth Proportional to 29,380.66, 40,545.32 and 15,951.92

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Solution

The fourth proportional to 29,380.66, 40,545.32 and 15,951.92 is: 22,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,380.66 : 40,545.32 = 15,951.92 : x
  2. Step 2: Convert to fraction form
    29,380.66/40,545.32 = 15,951.92/x
  3. Step 3: Cross multiply
    29,380.66x = 40,545.32 × 15,951.92
  4. Step 4: Simplify right side
    29,380.66x = 646,775,701.01
  5. Step 5: Solve for x
    x = 646,775,701.01/29,380.66
  6. Step 6: Final answer
    x = 22,013.65

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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.