Home / 19,942.47-27,514.40-11,872.44

Finding the Fourth Proportional to 19,942.47, 27,514.40 and 11,872.44

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Solution

The fourth proportional to 19,942.47, 27,514.40 and 11,872.44 is: 16,380.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.47 : 27,514.40 = 11,872.44 : x
  2. Step 2: Convert to fraction form
    19,942.47/27,514.40 = 11,872.44/x
  3. Step 3: Cross multiply
    19,942.47x = 27,514.40 × 11,872.44
  4. Step 4: Simplify right side
    19,942.47x = 326,663,003.77
  5. Step 5: Solve for x
    x = 326,663,003.77/19,942.47
  6. Step 6: Final answer
    x = 16,380.27

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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.