Home / 22,070.38-33,105.87-12,228.88

Finding the Fourth Proportional to 22,070.38, 33,105.87 and 12,228.88

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Solution

The fourth proportional to 22,070.38, 33,105.87 and 12,228.88 is: 18,343.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,070.38 : 33,105.87 = 12,228.88 : x
  2. Step 2: Convert to fraction form
    22,070.38/33,105.87 = 12,228.88/x
  3. Step 3: Cross multiply
    22,070.38x = 33,105.87 × 12,228.88
  4. Step 4: Simplify right side
    22,070.38x = 404,847,546.00
  5. Step 5: Solve for x
    x = 404,847,546.00/22,070.38
  6. Step 6: Final answer
    x = 18,343.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.