Home / 16,508.17-22,781.39-8,954.54

Finding the Fourth Proportional to 16,508.17, 22,781.39 and 8,954.54

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Solution

The fourth proportional to 16,508.17, 22,781.39 and 8,954.54 is: 12,357.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,508.17 : 22,781.39 = 8,954.54 : x
  2. Step 2: Convert to fraction form
    16,508.17/22,781.39 = 8,954.54/x
  3. Step 3: Cross multiply
    16,508.17x = 22,781.39 × 8,954.54
  4. Step 4: Simplify right side
    16,508.17x = 203,996,868.01
  5. Step 5: Solve for x
    x = 203,996,868.01/16,508.17
  6. Step 6: Final answer
    x = 12,357.33

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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.