Home / 22,029.20-32,995.20-18,141.20

Finding the Fourth Proportional to 22,029.20, 32,995.20 and 18,141.20

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Solution

The fourth proportional to 22,029.20, 32,995.20 and 18,141.20 is: 27,171.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,029.20 : 32,995.20 = 18,141.20 : x
  2. Step 2: Convert to fraction form
    22,029.20/32,995.20 = 18,141.20/x
  3. Step 3: Cross multiply
    22,029.20x = 32,995.20 × 18,141.20
  4. Step 4: Simplify right side
    22,029.20x = 598,572,522.24
  5. Step 5: Solve for x
    x = 598,572,522.24/22,029.20
  6. Step 6: Final answer
    x = 27,171.78

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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.