Home / 13,462.86-20,198.61-6,542.22

Finding the Fourth Proportional to 13,462.86, 20,198.61 and 6,542.22

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Solution

The fourth proportional to 13,462.86, 20,198.61 and 6,542.22 is: 9,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462.86 : 20,198.61 = 6,542.22 : x
  2. Step 2: Convert to fraction form
    13,462.86/20,198.61 = 6,542.22/x
  3. Step 3: Cross multiply
    13,462.86x = 20,198.61 × 6,542.22
  4. Step 4: Simplify right side
    13,462.86x = 132,143,750.31
  5. Step 5: Solve for x
    x = 132,143,750.31/13,462.86
  6. Step 6: Final answer
    x = 9,815.43

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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.