Home / 51,276.92-76,909.19-13,834.13

Finding the Fourth Proportional to 51,276.92, 76,909.19 and 13,834.13

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Solution

The fourth proportional to 51,276.92, 76,909.19 and 13,834.13 is: 20,749.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,276.92 : 76,909.19 = 13,834.13 : x
  2. Step 2: Convert to fraction form
    51,276.92/76,909.19 = 13,834.13/x
  3. Step 3: Cross multiply
    51,276.92x = 76,909.19 × 13,834.13
  4. Step 4: Simplify right side
    51,276.92x = 1,063,971,278.94
  5. Step 5: Solve for x
    x = 1,063,971,278.94/51,276.92
  6. Step 6: Final answer
    x = 20,749.52

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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.