Home / 14,882.92-20,538.69-8,169.18

Finding the Fourth Proportional to 14,882.92, 20,538.69 and 8,169.18

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Solution

The fourth proportional to 14,882.92, 20,538.69 and 8,169.18 is: 11,273.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,882.92 : 20,538.69 = 8,169.18 : x
  2. Step 2: Convert to fraction form
    14,882.92/20,538.69 = 8,169.18/x
  3. Step 3: Cross multiply
    14,882.92x = 20,538.69 × 8,169.18
  4. Step 4: Simplify right side
    14,882.92x = 167,784,255.57
  5. Step 5: Solve for x
    x = 167,784,255.57/14,882.92
  6. Step 6: Final answer
    x = 11,273.61

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.