Home / 22,815.92-34,200.58-15,421.13

Finding the Fourth Proportional to 22,815.92, 34,200.58 and 15,421.13

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Solution

The fourth proportional to 22,815.92, 34,200.58 and 15,421.13 is: 23,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,815.92 : 34,200.58 = 15,421.13 : x
  2. Step 2: Convert to fraction form
    22,815.92/34,200.58 = 15,421.13/x
  3. Step 3: Cross multiply
    22,815.92x = 34,200.58 × 15,421.13
  4. Step 4: Simplify right side
    22,815.92x = 527,411,342.15
  5. Step 5: Solve for x
    x = 527,411,342.15/22,815.92
  6. Step 6: Final answer
    x = 23,115.94

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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.