Home / 22,393.22-30,903.38-12,834.92

Finding the Fourth Proportional to 22,393.22, 30,903.38 and 12,834.92

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Solution

The fourth proportional to 22,393.22, 30,903.38 and 12,834.92 is: 17,712.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,393.22 : 30,903.38 = 12,834.92 : x
  2. Step 2: Convert to fraction form
    22,393.22/30,903.38 = 12,834.92/x
  3. Step 3: Cross multiply
    22,393.22x = 30,903.38 × 12,834.92
  4. Step 4: Simplify right side
    22,393.22x = 396,642,519.38
  5. Step 5: Solve for x
    x = 396,642,519.38/22,393.22
  6. Step 6: Final answer
    x = 17,712.61

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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.