Home / 18,324.28-25,287.96-11,246.68

Finding the Fourth Proportional to 18,324.28, 25,287.96 and 11,246.68

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Solution

The fourth proportional to 18,324.28, 25,287.96 and 11,246.68 is: 15,520.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324.28 : 25,287.96 = 11,246.68 : x
  2. Step 2: Convert to fraction form
    18,324.28/25,287.96 = 11,246.68/x
  3. Step 3: Cross multiply
    18,324.28x = 25,287.96 × 11,246.68
  4. Step 4: Simplify right side
    18,324.28x = 284,405,593.97
  5. Step 5: Solve for x
    x = 284,405,593.97/18,324.28
  6. Step 6: Final answer
    x = 15,520.70

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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.