Home / 18,166.20-27,249.12-10,765.33

Finding the Fourth Proportional to 18,166.20, 27,249.12 and 10,765.33

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Solution

The fourth proportional to 18,166.20, 27,249.12 and 10,765.33 is: 16,147.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166.20 : 27,249.12 = 10,765.33 : x
  2. Step 2: Convert to fraction form
    18,166.20/27,249.12 = 10,765.33/x
  3. Step 3: Cross multiply
    18,166.20x = 27,249.12 × 10,765.33
  4. Step 4: Simplify right side
    18,166.20x = 293,345,769.01
  5. Step 5: Solve for x
    x = 293,345,769.01/18,166.20
  6. Step 6: Final answer
    x = 16,147.89

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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.