Home / 13,366.74-20,044.17-7,125.57

Finding the Fourth Proportional to 13,366.74, 20,044.17 and 7,125.57

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Solution

The fourth proportional to 13,366.74, 20,044.17 and 7,125.57 is: 10,685.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.74 : 20,044.17 = 7,125.57 : x
  2. Step 2: Convert to fraction form
    13,366.74/20,044.17 = 7,125.57/x
  3. Step 3: Cross multiply
    13,366.74x = 20,044.17 × 7,125.57
  4. Step 4: Simplify right side
    13,366.74x = 142,826,136.43
  5. Step 5: Solve for x
    x = 142,826,136.43/13,366.74
  6. Step 6: Final answer
    x = 10,685.19

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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.