Home / 20,449.73-28,181.59-17,616.22

Finding the Fourth Proportional to 20,449.73, 28,181.59 and 17,616.22

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Solution

The fourth proportional to 20,449.73, 28,181.59 and 17,616.22 is: 24,276.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,449.73 : 28,181.59 = 17,616.22 : x
  2. Step 2: Convert to fraction form
    20,449.73/28,181.59 = 17,616.22/x
  3. Step 3: Cross multiply
    20,449.73x = 28,181.59 × 17,616.22
  4. Step 4: Simplify right side
    20,449.73x = 496,452,974.90
  5. Step 5: Solve for x
    x = 496,452,974.90/20,449.73
  6. Step 6: Final answer
    x = 24,276.75

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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.