Home / 14,249.25-19,663.97-7,961.63

Finding the Fourth Proportional to 14,249.25, 19,663.97 and 7,961.63

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Solution

The fourth proportional to 14,249.25, 19,663.97 and 7,961.63 is: 10,987.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.25 : 19,663.97 = 7,961.63 : x
  2. Step 2: Convert to fraction form
    14,249.25/19,663.97 = 7,961.63/x
  3. Step 3: Cross multiply
    14,249.25x = 19,663.97 × 7,961.63
  4. Step 4: Simplify right side
    14,249.25x = 156,557,115.34
  5. Step 5: Solve for x
    x = 156,557,115.34/14,249.25
  6. Step 6: Final answer
    x = 10,987.04

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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.