Home / 17,739.10-24,481.06-9,781.30

Finding the Fourth Proportional to 17,739.10, 24,481.06 and 9,781.30

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Solution

The fourth proportional to 17,739.10, 24,481.06 and 9,781.30 is: 13,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.10 : 24,481.06 = 9,781.30 : x
  2. Step 2: Convert to fraction form
    17,739.10/24,481.06 = 9,781.30/x
  3. Step 3: Cross multiply
    17,739.10x = 24,481.06 × 9,781.30
  4. Step 4: Simplify right side
    17,739.10x = 239,456,592.18
  5. Step 5: Solve for x
    x = 239,456,592.18/17,739.10
  6. Step 6: Final answer
    x = 13,498.80

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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.