Home / 25,140.92-37,713.20-8,502.71

Finding the Fourth Proportional to 25,140.92, 37,713.20 and 8,502.71

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Solution

The fourth proportional to 25,140.92, 37,713.20 and 8,502.71 is: 12,754.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140.92 : 37,713.20 = 8,502.71 : x
  2. Step 2: Convert to fraction form
    25,140.92/37,713.20 = 8,502.71/x
  3. Step 3: Cross multiply
    25,140.92x = 37,713.20 × 8,502.71
  4. Step 4: Simplify right side
    25,140.92x = 320,664,171.69
  5. Step 5: Solve for x
    x = 320,664,171.69/25,140.92
  6. Step 6: Final answer
    x = 12,754.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.