Home / 16,115.28-24,131.96-9,177.68

Finding the Fourth Proportional to 16,115.28, 24,131.96 and 9,177.68

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Solution

The fourth proportional to 16,115.28, 24,131.96 and 9,177.68 is: 13,743.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115.28 : 24,131.96 = 9,177.68 : x
  2. Step 2: Convert to fraction form
    16,115.28/24,131.96 = 9,177.68/x
  3. Step 3: Cross multiply
    16,115.28x = 24,131.96 × 9,177.68
  4. Step 4: Simplify right side
    16,115.28x = 221,475,406.65
  5. Step 5: Solve for x
    x = 221,475,406.65/16,115.28
  6. Step 6: Final answer
    x = 13,743.19

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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.