Home / 15,149.76-22,735.68-8,581.44

Finding the Fourth Proportional to 15,149.76, 22,735.68 and 8,581.44

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Solution

The fourth proportional to 15,149.76, 22,735.68 and 8,581.44 is: 12,878.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149.76 : 22,735.68 = 8,581.44 : x
  2. Step 2: Convert to fraction form
    15,149.76/22,735.68 = 8,581.44/x
  3. Step 3: Cross multiply
    15,149.76x = 22,735.68 × 8,581.44
  4. Step 4: Simplify right side
    15,149.76x = 195,104,873.78
  5. Step 5: Solve for x
    x = 195,104,873.78/15,149.76
  6. Step 6: Final answer
    x = 12,878.41

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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.