Home / 18,884.26-28,331.66-7,198.39

Finding the Fourth Proportional to 18,884.26, 28,331.66 and 7,198.39

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Solution

The fourth proportional to 18,884.26, 28,331.66 and 7,198.39 is: 10,799.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884.26 : 28,331.66 = 7,198.39 : x
  2. Step 2: Convert to fraction form
    18,884.26/28,331.66 = 7,198.39/x
  3. Step 3: Cross multiply
    18,884.26x = 28,331.66 × 7,198.39
  4. Step 4: Simplify right side
    18,884.26x = 203,942,338.03
  5. Step 5: Solve for x
    x = 203,942,338.03/18,884.26
  6. Step 6: Final answer
    x = 10,799.59

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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.