Home / 17,147.48-23,680.38-11,855.96

Finding the Fourth Proportional to 17,147.48, 23,680.38 and 11,855.96

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Solution

The fourth proportional to 17,147.48, 23,680.38 and 11,855.96 is: 16,372.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,147.48 : 23,680.38 = 11,855.96 : x
  2. Step 2: Convert to fraction form
    17,147.48/23,680.38 = 11,855.96/x
  3. Step 3: Cross multiply
    17,147.48x = 23,680.38 × 11,855.96
  4. Step 4: Simplify right side
    17,147.48x = 280,753,638.06
  5. Step 5: Solve for x
    x = 280,753,638.06/17,147.48
  6. Step 6: Final answer
    x = 16,372.88

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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.