Home / 16,851.38-25,279.31-5,755.09

Finding the Fourth Proportional to 16,851.38, 25,279.31 and 5,755.09

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Solution

The fourth proportional to 16,851.38, 25,279.31 and 5,755.09 is: 8,633.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851.38 : 25,279.31 = 5,755.09 : x
  2. Step 2: Convert to fraction form
    16,851.38/25,279.31 = 5,755.09/x
  3. Step 3: Cross multiply
    16,851.38x = 25,279.31 × 5,755.09
  4. Step 4: Simplify right side
    16,851.38x = 145,484,549.02
  5. Step 5: Solve for x
    x = 145,484,549.02/16,851.38
  6. Step 6: Final answer
    x = 8,633.39

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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.