Home / 22,217.83-30,659.51-12,146.19

Finding the Fourth Proportional to 22,217.83, 30,659.51 and 12,146.19

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Solution

The fourth proportional to 22,217.83, 30,659.51 and 12,146.19 is: 16,761.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,217.83 : 30,659.51 = 12,146.19 : x
  2. Step 2: Convert to fraction form
    22,217.83/30,659.51 = 12,146.19/x
  3. Step 3: Cross multiply
    22,217.83x = 30,659.51 × 12,146.19
  4. Step 4: Simplify right side
    22,217.83x = 372,396,149.16
  5. Step 5: Solve for x
    x = 372,396,149.16/22,217.83
  6. Step 6: Final answer
    x = 16,761.14

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Half scale
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Double scale
Find fourth proportional to 22,218.83, 30,660.89 and 12,147.19
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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.