Home / 16,765.38-23,136.62-9,212.19

Finding the Fourth Proportional to 16,765.38, 23,136.62 and 9,212.19

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Solution

The fourth proportional to 16,765.38, 23,136.62 and 9,212.19 is: 12,713.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.38 : 23,136.62 = 9,212.19 : x
  2. Step 2: Convert to fraction form
    16,765.38/23,136.62 = 9,212.19/x
  3. Step 3: Cross multiply
    16,765.38x = 23,136.62 × 9,212.19
  4. Step 4: Simplify right side
    16,765.38x = 213,138,939.40
  5. Step 5: Solve for x
    x = 213,138,939.40/16,765.38
  6. Step 6: Final answer
    x = 12,713.04

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Half scale
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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.