Home / 20,674.88-31,008.20-5,883.92

Finding the Fourth Proportional to 20,674.88, 31,008.20 and 5,883.92

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Solution

The fourth proportional to 20,674.88, 31,008.20 and 5,883.92 is: 8,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,674.88 : 31,008.20 = 5,883.92 : x
  2. Step 2: Convert to fraction form
    20,674.88/31,008.20 = 5,883.92/x
  3. Step 3: Cross multiply
    20,674.88x = 31,008.20 × 5,883.92
  4. Step 4: Simplify right side
    20,674.88x = 182,449,583.68
  5. Step 5: Solve for x
    x = 182,449,583.68/20,674.88
  6. Step 6: Final answer
    x = 8,824.70

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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.