Home / 17,739.04-24,479.70-9,781.12

Finding the Fourth Proportional to 17,739.04, 24,479.70 and 9,781.12

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Solution

The fourth proportional to 17,739.04, 24,479.70 and 9,781.12 is: 13,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.04 : 24,479.70 = 9,781.12 : x
  2. Step 2: Convert to fraction form
    17,739.04/24,479.70 = 9,781.12/x
  3. Step 3: Cross multiply
    17,739.04x = 24,479.70 × 9,781.12
  4. Step 4: Simplify right side
    17,739.04x = 239,438,883.26
  5. Step 5: Solve for x
    x = 239,438,883.26/17,739.04
  6. Step 6: Final answer
    x = 13,497.85

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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.