Home / 17,739.05-24,479.94-9,781.10

Finding the Fourth Proportional to 17,739.05, 24,479.94 and 9,781.10

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Solution

The fourth proportional to 17,739.05, 24,479.94 and 9,781.10 is: 13,497.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.05 : 24,479.94 = 9,781.10 : x
  2. Step 2: Convert to fraction form
    17,739.05/24,479.94 = 9,781.10/x
  3. Step 3: Cross multiply
    17,739.05x = 24,479.94 × 9,781.10
  4. Step 4: Simplify right side
    17,739.05x = 239,440,741.13
  5. Step 5: Solve for x
    x = 239,440,741.13/17,739.05
  6. Step 6: Final answer
    x = 13,497.95

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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.