Home / 29,380.59-40,545.21-15,951.85

Finding the Fourth Proportional to 29,380.59, 40,545.21 and 15,951.85

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Solution

The fourth proportional to 29,380.59, 40,545.21 and 15,951.85 is: 22,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,380.59 : 40,545.21 = 15,951.85 : x
  2. Step 2: Convert to fraction form
    29,380.59/40,545.21 = 15,951.85/x
  3. Step 3: Cross multiply
    29,380.59x = 40,545.21 × 15,951.85
  4. Step 4: Simplify right side
    29,380.59x = 646,770,987.15
  5. Step 5: Solve for x
    x = 646,770,987.15/29,380.59
  6. Step 6: Final answer
    x = 22,013.55

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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.