Home / 29,402.76-40,575.85-15,974.03

Finding the Fourth Proportional to 29,402.76, 40,575.85 and 15,974.03

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Solution

The fourth proportional to 29,402.76, 40,575.85 and 15,974.03 is: 22,044.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,402.76 : 40,575.85 = 15,974.03 : x
  2. Step 2: Convert to fraction form
    29,402.76/40,575.85 = 15,974.03/x
  3. Step 3: Cross multiply
    29,402.76x = 40,575.85 × 15,974.03
  4. Step 4: Simplify right side
    29,402.76x = 648,159,906.68
  5. Step 5: Solve for x
    x = 648,159,906.68/29,402.76
  6. Step 6: Final answer
    x = 22,044.18

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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.