Home / 18,561.38-25,615.92-10,177.88

Finding the Fourth Proportional to 18,561.38, 25,615.92 and 10,177.88

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Solution

The fourth proportional to 18,561.38, 25,615.92 and 10,177.88 is: 14,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561.38 : 25,615.92 = 10,177.88 : x
  2. Step 2: Convert to fraction form
    18,561.38/25,615.92 = 10,177.88/x
  3. Step 3: Cross multiply
    18,561.38x = 25,615.92 × 10,177.88
  4. Step 4: Simplify right side
    18,561.38x = 260,715,631.77
  5. Step 5: Solve for x
    x = 260,715,631.77/18,561.38
  6. Step 6: Final answer
    x = 14,046.14

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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.