Home / 34,691.73-47,874.49-18,776.44

Finding the Fourth Proportional to 34,691.73, 47,874.49 and 18,776.44

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Solution

The fourth proportional to 34,691.73, 47,874.49 and 18,776.44 is: 25,911.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,691.73 : 47,874.49 = 18,776.44 : x
  2. Step 2: Convert to fraction form
    34,691.73/47,874.49 = 18,776.44/x
  3. Step 3: Cross multiply
    34,691.73x = 47,874.49 × 18,776.44
  4. Step 4: Simplify right side
    34,691.73x = 898,912,489.02
  5. Step 5: Solve for x
    x = 898,912,489.02/34,691.73
  6. Step 6: Final answer
    x = 25,911.43

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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.