Home / 29,819.60-41,149.34-18,338.88

Finding the Fourth Proportional to 29,819.60, 41,149.34 and 18,338.88

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Solution

The fourth proportional to 29,819.60, 41,149.34 and 18,338.88 is: 25,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,819.60 : 41,149.34 = 18,338.88 : x
  2. Step 2: Convert to fraction form
    29,819.60/41,149.34 = 18,338.88/x
  3. Step 3: Cross multiply
    29,819.60x = 41,149.34 × 18,338.88
  4. Step 4: Simplify right side
    29,819.60x = 754,632,808.34
  5. Step 5: Solve for x
    x = 754,632,808.34/29,819.60
  6. Step 6: Final answer
    x = 25,306.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.