Home / 15,166.96-20,930.11-8,452.44

Finding the Fourth Proportional to 15,166.96, 20,930.11 and 8,452.44

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Solution

The fourth proportional to 15,166.96, 20,930.11 and 8,452.44 is: 11,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,166.96 : 20,930.11 = 8,452.44 : x
  2. Step 2: Convert to fraction form
    15,166.96/20,930.11 = 8,452.44/x
  3. Step 3: Cross multiply
    15,166.96x = 20,930.11 × 8,452.44
  4. Step 4: Simplify right side
    15,166.96x = 176,910,498.97
  5. Step 5: Solve for x
    x = 176,910,498.97/15,166.96
  6. Step 6: Final answer
    x = 11,664.20

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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.