Home / 17,092.36-23,589.62-9,920.74

Finding the Fourth Proportional to 17,092.36, 23,589.62 and 9,920.74

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Solution

The fourth proportional to 17,092.36, 23,589.62 and 9,920.74 is: 13,691.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,092.36 : 23,589.62 = 9,920.74 : x
  2. Step 2: Convert to fraction form
    17,092.36/23,589.62 = 9,920.74/x
  3. Step 3: Cross multiply
    17,092.36x = 23,589.62 × 9,920.74
  4. Step 4: Simplify right side
    17,092.36x = 234,026,486.72
  5. Step 5: Solve for x
    x = 234,026,486.72/17,092.36
  6. Step 6: Final answer
    x = 13,691.88

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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.