Home / 18,614.24-25,687.20-10,655.96

Finding the Fourth Proportional to 18,614.24, 25,687.20 and 10,655.96

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Solution

The fourth proportional to 18,614.24, 25,687.20 and 10,655.96 is: 14,704.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614.24 : 25,687.20 = 10,655.96 : x
  2. Step 2: Convert to fraction form
    18,614.24/25,687.20 = 10,655.96/x
  3. Step 3: Cross multiply
    18,614.24x = 25,687.20 × 10,655.96
  4. Step 4: Simplify right side
    18,614.24x = 273,721,775.71
  5. Step 5: Solve for x
    x = 273,721,775.71/18,614.24
  6. Step 6: Final answer
    x = 14,704.97

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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.