Home / 43,545.20-65,316.28-11,524.40

Finding the Fourth Proportional to 43,545.20, 65,316.28 and 11,524.40

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Solution

The fourth proportional to 43,545.20, 65,316.28 and 11,524.40 is: 17,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,545.20 : 65,316.28 = 11,524.40 : x
  2. Step 2: Convert to fraction form
    43,545.20/65,316.28 = 11,524.40/x
  3. Step 3: Cross multiply
    43,545.20x = 65,316.28 × 11,524.40
  4. Step 4: Simplify right side
    43,545.20x = 752,730,937.23
  5. Step 5: Solve for x
    x = 752,730,937.23/43,545.20
  6. Step 6: Final answer
    x = 17,286.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.