Home / 22,781.36-34,172.12-11,084.56

Finding the Fourth Proportional to 22,781.36, 34,172.12 and 11,084.56

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Solution

The fourth proportional to 22,781.36, 34,172.12 and 11,084.56 is: 16,626.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,781.36 : 34,172.12 = 11,084.56 : x
  2. Step 2: Convert to fraction form
    22,781.36/34,172.12 = 11,084.56/x
  3. Step 3: Cross multiply
    22,781.36x = 34,172.12 × 11,084.56
  4. Step 4: Simplify right side
    22,781.36x = 378,782,914.47
  5. Step 5: Solve for x
    x = 378,782,914.47/22,781.36
  6. Step 6: Final answer
    x = 16,626.88

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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.