Home / 19,600.20-29,372.04-12,558.24

Finding the Fourth Proportional to 19,600.20, 29,372.04 and 12,558.24

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Solution

The fourth proportional to 19,600.20, 29,372.04 and 12,558.24 is: 18,819.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,600.20 : 29,372.04 = 12,558.24 : x
  2. Step 2: Convert to fraction form
    19,600.20/29,372.04 = 12,558.24/x
  3. Step 3: Cross multiply
    19,600.20x = 29,372.04 × 12,558.24
  4. Step 4: Simplify right side
    19,600.20x = 368,861,127.61
  5. Step 5: Solve for x
    x = 368,861,127.61/19,600.20
  6. Step 6: Final answer
    x = 18,819.25

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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.