Home / 18,296.11-27,425.31-7,198.30

Finding the Fourth Proportional to 18,296.11, 27,425.31 and 7,198.30

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Solution

The fourth proportional to 18,296.11, 27,425.31 and 7,198.30 is: 10,790.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.11 : 27,425.31 = 7,198.30 : x
  2. Step 2: Convert to fraction form
    18,296.11/27,425.31 = 7,198.30/x
  3. Step 3: Cross multiply
    18,296.11x = 27,425.31 × 7,198.30
  4. Step 4: Simplify right side
    18,296.11x = 197,415,608.97
  5. Step 5: Solve for x
    x = 197,415,608.97/18,296.11
  6. Step 6: Final answer
    x = 10,790.03

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1.5x scale

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.