Home / 22,911.14-34,372.17-8,121.35

Finding the Fourth Proportional to 22,911.14, 34,372.17 and 8,121.35

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Solution

The fourth proportional to 22,911.14, 34,372.17 and 8,121.35 is: 12,183.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,911.14 : 34,372.17 = 8,121.35 : x
  2. Step 2: Convert to fraction form
    22,911.14/34,372.17 = 8,121.35/x
  3. Step 3: Cross multiply
    22,911.14x = 34,372.17 × 8,121.35
  4. Step 4: Simplify right side
    22,911.14x = 279,148,250.97
  5. Step 5: Solve for x
    x = 279,148,250.97/22,911.14
  6. Step 6: Final answer
    x = 12,183.96

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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.