Home / 17,755.20-24,504.12-11,388.60

Finding the Fourth Proportional to 17,755.20, 24,504.12 and 11,388.60

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Solution

The fourth proportional to 17,755.20, 24,504.12 and 11,388.60 is: 15,717.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,755.20 : 24,504.12 = 11,388.60 : x
  2. Step 2: Convert to fraction form
    17,755.20/24,504.12 = 11,388.60/x
  3. Step 3: Cross multiply
    17,755.20x = 24,504.12 × 11,388.60
  4. Step 4: Simplify right side
    17,755.20x = 279,067,621.03
  5. Step 5: Solve for x
    x = 279,067,621.03/17,755.20
  6. Step 6: Final answer
    x = 15,717.51

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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.