Home / 20,166.11-30,249.21-6,126.24

Finding the Fourth Proportional to 20,166.11, 30,249.21 and 6,126.24

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Solution

The fourth proportional to 20,166.11, 30,249.21 and 6,126.24 is: 9,189.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166.11 : 30,249.21 = 6,126.24 : x
  2. Step 2: Convert to fraction form
    20,166.11/30,249.21 = 6,126.24/x
  3. Step 3: Cross multiply
    20,166.11x = 30,249.21 × 6,126.24
  4. Step 4: Simplify right side
    20,166.11x = 185,313,920.27
  5. Step 5: Solve for x
    x = 185,313,920.27/20,166.11
  6. Step 6: Final answer
    x = 9,189.37

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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.