Home / 18,223.20-27,292.41-17,724.78

Finding the Fourth Proportional to 18,223.20, 27,292.41 and 17,724.78

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Solution

The fourth proportional to 18,223.20, 27,292.41 and 17,724.78 is: 26,545.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.20 : 27,292.41 = 17,724.78 : x
  2. Step 2: Convert to fraction form
    18,223.20/27,292.41 = 17,724.78/x
  3. Step 3: Cross multiply
    18,223.20x = 27,292.41 × 17,724.78
  4. Step 4: Simplify right side
    18,223.20x = 483,751,962.92
  5. Step 5: Solve for x
    x = 483,751,962.92/18,223.20
  6. Step 6: Final answer
    x = 26,545.94

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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.