Home / 22,980.38-34,478.78-11,301.80

Finding the Fourth Proportional to 22,980.38, 34,478.78 and 11,301.80

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Solution

The fourth proportional to 22,980.38, 34,478.78 and 11,301.80 is: 16,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,980.38 : 34,478.78 = 11,301.80 : x
  2. Step 2: Convert to fraction form
    22,980.38/34,478.78 = 11,301.80/x
  3. Step 3: Cross multiply
    22,980.38x = 34,478.78 × 11,301.80
  4. Step 4: Simplify right side
    22,980.38x = 389,672,046.90
  5. Step 5: Solve for x
    x = 389,672,046.90/22,980.38
  6. Step 6: Final answer
    x = 16,956.73

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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.