Home / 18,227.28-25,153.65-9,843.78

Finding the Fourth Proportional to 18,227.28, 25,153.65 and 9,843.78

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Solution

The fourth proportional to 18,227.28, 25,153.65 and 9,843.78 is: 13,584.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.28 : 25,153.65 = 9,843.78 : x
  2. Step 2: Convert to fraction form
    18,227.28/25,153.65 = 9,843.78/x
  3. Step 3: Cross multiply
    18,227.28x = 25,153.65 × 9,843.78
  4. Step 4: Simplify right side
    18,227.28x = 247,606,996.80
  5. Step 5: Solve for x
    x = 247,606,996.80/18,227.28
  6. Step 6: Final answer
    x = 13,584.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.