Home / 16,524.11-24,780.91-5,428.23

Finding the Fourth Proportional to 16,524.11, 24,780.91 and 5,428.23

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Solution

The fourth proportional to 16,524.11, 24,780.91 and 5,428.23 is: 8,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,524.11 : 24,780.91 = 5,428.23 : x
  2. Step 2: Convert to fraction form
    16,524.11/24,780.91 = 5,428.23/x
  3. Step 3: Cross multiply
    16,524.11x = 24,780.91 × 5,428.23
  4. Step 4: Simplify right side
    16,524.11x = 134,516,355.18
  5. Step 5: Solve for x
    x = 134,516,355.18/16,524.11
  6. Step 6: Final answer
    x = 8,140.61

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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.