Home / 20,568.66-30,839.94-17,449.74

Finding the Fourth Proportional to 20,568.66, 30,839.94 and 17,449.74

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Solution

The fourth proportional to 20,568.66, 30,839.94 and 17,449.74 is: 26,163.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568.66 : 30,839.94 = 17,449.74 : x
  2. Step 2: Convert to fraction form
    20,568.66/30,839.94 = 17,449.74/x
  3. Step 3: Cross multiply
    20,568.66x = 30,839.94 × 17,449.74
  4. Step 4: Simplify right side
    20,568.66x = 538,148,934.62
  5. Step 5: Solve for x
    x = 538,148,934.62/20,568.66
  6. Step 6: Final answer
    x = 26,163.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.