Home / 14,167.20-19,549.89-8,198.44

Finding the Fourth Proportional to 14,167.20, 19,549.89 and 8,198.44

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Solution

The fourth proportional to 14,167.20, 19,549.89 and 8,198.44 is: 11,313.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.20 : 19,549.89 = 8,198.44 : x
  2. Step 2: Convert to fraction form
    14,167.20/19,549.89 = 8,198.44/x
  3. Step 3: Cross multiply
    14,167.20x = 19,549.89 × 8,198.44
  4. Step 4: Simplify right side
    14,167.20x = 160,278,600.17
  5. Step 5: Solve for x
    x = 160,278,600.17/14,167.20
  6. Step 6: Final answer
    x = 11,313.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.