Home / 17,149.73-25,679.48-13,800.12

Finding the Fourth Proportional to 17,149.73, 25,679.48 and 13,800.12

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Solution

The fourth proportional to 17,149.73, 25,679.48 and 13,800.12 is: 20,663.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,149.73 : 25,679.48 = 13,800.12 : x
  2. Step 2: Convert to fraction form
    17,149.73/25,679.48 = 13,800.12/x
  3. Step 3: Cross multiply
    17,149.73x = 25,679.48 × 13,800.12
  4. Step 4: Simplify right side
    17,149.73x = 354,379,962.31
  5. Step 5: Solve for x
    x = 354,379,962.31/17,149.73
  6. Step 6: Final answer
    x = 20,663.89

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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.