Home / 18,151.60-25,042.68-11,867.56

Finding the Fourth Proportional to 18,151.60, 25,042.68 and 11,867.56

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Solution

The fourth proportional to 18,151.60, 25,042.68 and 11,867.56 is: 16,372.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.60 : 25,042.68 = 11,867.56 : x
  2. Step 2: Convert to fraction form
    18,151.60/25,042.68 = 11,867.56/x
  3. Step 3: Cross multiply
    18,151.60x = 25,042.68 × 11,867.56
  4. Step 4: Simplify right side
    18,151.60x = 297,195,507.46
  5. Step 5: Solve for x
    x = 297,195,507.46/18,151.60
  6. Step 6: Final answer
    x = 16,372.96

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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.