Home / 20,589.12-30,883.38-6,550.00

Finding the Fourth Proportional to 20,589.12, 30,883.38 and 6,550.00

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Solution

The fourth proportional to 20,589.12, 30,883.38 and 6,550.00 is: 9,824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589.12 : 30,883.38 = 6,550.00 : x
  2. Step 2: Convert to fraction form
    20,589.12/30,883.38 = 6,550.00/x
  3. Step 3: Cross multiply
    20,589.12x = 30,883.38 × 6,550.00
  4. Step 4: Simplify right side
    20,589.12x = 202,286,037.23
  5. Step 5: Solve for x
    x = 202,286,037.23/20,589.12
  6. Step 6: Final answer
    x = 9,824.90

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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.