Home / 17,944.90-24,760.61-9,987.12

Finding the Fourth Proportional to 17,944.90, 24,760.61 and 9,987.12

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Solution

The fourth proportional to 17,944.90, 24,760.61 and 9,987.12 is: 13,780.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,944.90 : 24,760.61 = 9,987.12 : x
  2. Step 2: Convert to fraction form
    17,944.90/24,760.61 = 9,987.12/x
  3. Step 3: Cross multiply
    17,944.90x = 24,760.61 × 9,987.12
  4. Step 4: Simplify right side
    17,944.90x = 247,287,183.34
  5. Step 5: Solve for x
    x = 247,287,183.34/17,944.90
  6. Step 6: Final answer
    x = 13,780.36

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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.