Home / 29,380.46-40,545.08-15,951.72

Finding the Fourth Proportional to 29,380.46, 40,545.08 and 15,951.72

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Solution

The fourth proportional to 29,380.46, 40,545.08 and 15,951.72 is: 22,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,380.46 : 40,545.08 = 15,951.72 : x
  2. Step 2: Convert to fraction form
    29,380.46/40,545.08 = 15,951.72/x
  3. Step 3: Cross multiply
    29,380.46x = 40,545.08 × 15,951.72
  4. Step 4: Simplify right side
    29,380.46x = 646,763,763.54
  5. Step 5: Solve for x
    x = 646,763,763.54/29,380.46
  6. Step 6: Final answer
    x = 22,013.40

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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.