Home / 15,183.43-22,781.72-8,155.24

Finding the Fourth Proportional to 15,183.43, 22,781.72 and 8,155.24

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Solution

The fourth proportional to 15,183.43, 22,781.72 and 8,155.24 is: 12,236.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183.43 : 22,781.72 = 8,155.24 : x
  2. Step 2: Convert to fraction form
    15,183.43/22,781.72 = 8,155.24/x
  3. Step 3: Cross multiply
    15,183.43x = 22,781.72 × 8,155.24
  4. Step 4: Simplify right side
    15,183.43x = 185,790,357.65
  5. Step 5: Solve for x
    x = 185,790,357.65/15,183.43
  6. Step 6: Final answer
    x = 12,236.39

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1.5x scale

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.