Home / 22,144.75-30,560.97-12,713.92

Finding the Fourth Proportional to 22,144.75, 30,560.97 and 12,713.92

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Solution

The fourth proportional to 22,144.75, 30,560.97 and 12,713.92 is: 17,545.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,144.75 : 30,560.97 = 12,713.92 : x
  2. Step 2: Convert to fraction form
    22,144.75/30,560.97 = 12,713.92/x
  3. Step 3: Cross multiply
    22,144.75x = 30,560.97 × 12,713.92
  4. Step 4: Simplify right side
    22,144.75x = 388,549,727.70
  5. Step 5: Solve for x
    x = 388,549,727.70/22,144.75
  6. Step 6: Final answer
    x = 17,545.91

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Half scale
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Double scale
Find fourth proportional to 22,145.75, 30,562.35 and 12,714.92
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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.