Home / 17,540.79-24,203.62-9,987.44

Finding the Fourth Proportional to 17,540.79, 24,203.62 and 9,987.44

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Solution

The fourth proportional to 17,540.79, 24,203.62 and 9,987.44 is: 13,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,540.79 : 24,203.62 = 9,987.44 : x
  2. Step 2: Convert to fraction form
    17,540.79/24,203.62 = 9,987.44/x
  3. Step 3: Cross multiply
    17,540.79x = 24,203.62 × 9,987.44
  4. Step 4: Simplify right side
    17,540.79x = 241,732,202.53
  5. Step 5: Solve for x
    x = 241,732,202.53/17,540.79
  6. Step 6: Final answer
    x = 13,781.15

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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.