Home / 22,139.92-33,203.40-18,234.64

Finding the Fourth Proportional to 22,139.92, 33,203.40 and 18,234.64

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Solution

The fourth proportional to 22,139.92, 33,203.40 and 18,234.64 is: 27,346.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,139.92 : 33,203.40 = 18,234.64 : x
  2. Step 2: Convert to fraction form
    22,139.92/33,203.40 = 18,234.64/x
  3. Step 3: Cross multiply
    22,139.92x = 33,203.40 × 18,234.64
  4. Step 4: Simplify right side
    22,139.92x = 605,452,045.78
  5. Step 5: Solve for x
    x = 605,452,045.78/22,139.92
  6. Step 6: Final answer
    x = 27,346.62

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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.