Home / 15,136.92-22,690.76-7,744.86

Finding the Fourth Proportional to 15,136.92, 22,690.76 and 7,744.86

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Solution

The fourth proportional to 15,136.92, 22,690.76 and 7,744.86 is: 11,609.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136.92 : 22,690.76 = 7,744.86 : x
  2. Step 2: Convert to fraction form
    15,136.92/22,690.76 = 7,744.86/x
  3. Step 3: Cross multiply
    15,136.92x = 22,690.76 × 7,744.86
  4. Step 4: Simplify right side
    15,136.92x = 175,736,720.77
  5. Step 5: Solve for x
    x = 175,736,720.77/15,136.92
  6. Step 6: Final answer
    x = 11,609.81

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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.