Home / 17,739.48-24,481.58-9,781.69

Finding the Fourth Proportional to 17,739.48, 24,481.58 and 9,781.69

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Solution

The fourth proportional to 17,739.48, 24,481.58 and 9,781.69 is: 13,499.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.48 : 24,481.58 = 9,781.69 : x
  2. Step 2: Convert to fraction form
    17,739.48/24,481.58 = 9,781.69/x
  3. Step 3: Cross multiply
    17,739.48x = 24,481.58 × 9,781.69
  4. Step 4: Simplify right side
    17,739.48x = 239,471,226.27
  5. Step 5: Solve for x
    x = 239,471,226.27/17,739.48
  6. Step 6: Final answer
    x = 13,499.34

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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.