Home / 21,600.68-32,344.97-18,500.61

Finding the Fourth Proportional to 21,600.68, 32,344.97 and 18,500.61

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Solution

The fourth proportional to 21,600.68, 32,344.97 and 18,500.61 is: 27,702.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,600.68 : 32,344.97 = 18,500.61 : x
  2. Step 2: Convert to fraction form
    21,600.68/32,344.97 = 18,500.61/x
  3. Step 3: Cross multiply
    21,600.68x = 32,344.97 × 18,500.61
  4. Step 4: Simplify right side
    21,600.68x = 598,401,675.43
  5. Step 5: Solve for x
    x = 598,401,675.43/21,600.68
  6. Step 6: Final answer
    x = 27,702.91

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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.