Home / 14,514.38-20,029.98-8,141.19

Finding the Fourth Proportional to 14,514.38, 20,029.98 and 8,141.19

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Solution

The fourth proportional to 14,514.38, 20,029.98 and 8,141.19 is: 11,234.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,514.38 : 20,029.98 = 8,141.19 : x
  2. Step 2: Convert to fraction form
    14,514.38/20,029.98 = 8,141.19/x
  3. Step 3: Cross multiply
    14,514.38x = 20,029.98 × 8,141.19
  4. Step 4: Simplify right side
    14,514.38x = 163,067,872.88
  5. Step 5: Solve for x
    x = 163,067,872.88/14,514.38
  6. Step 6: Final answer
    x = 11,234.92

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Half scale
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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.