Home / 16,833.38-23,229.01-9,279.77

Finding the Fourth Proportional to 16,833.38, 23,229.01 and 9,279.77

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Solution

The fourth proportional to 16,833.38, 23,229.01 and 9,279.77 is: 12,805.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,833.38 : 23,229.01 = 9,279.77 : x
  2. Step 2: Convert to fraction form
    16,833.38/23,229.01 = 9,279.77/x
  3. Step 3: Cross multiply
    16,833.38x = 23,229.01 × 9,279.77
  4. Step 4: Simplify right side
    16,833.38x = 215,559,707.58
  5. Step 5: Solve for x
    x = 215,559,707.58/16,833.38
  6. Step 6: Final answer
    x = 12,805.50

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Half scale
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Double scale
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Similar ratio
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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.