Home / 16,930.60-25,380.54-7,691.56

Finding the Fourth Proportional to 16,930.60, 25,380.54 and 7,691.56

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Solution

The fourth proportional to 16,930.60, 25,380.54 and 7,691.56 is: 11,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.60 : 25,380.54 = 7,691.56 : x
  2. Step 2: Convert to fraction form
    16,930.60/25,380.54 = 7,691.56/x
  3. Step 3: Cross multiply
    16,930.60x = 25,380.54 × 7,691.56
  4. Step 4: Simplify right side
    16,930.60x = 195,215,946.24
  5. Step 5: Solve for x
    x = 195,215,946.24/16,930.60
  6. Step 6: Final answer
    x = 11,530.36

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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.