Home / 13,853.82-19,112.22-9,375.96

Finding the Fourth Proportional to 13,853.82, 19,112.22 and 9,375.96

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Solution

The fourth proportional to 13,853.82, 19,112.22 and 9,375.96 is: 12,934.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.82 : 19,112.22 = 9,375.96 : x
  2. Step 2: Convert to fraction form
    13,853.82/19,112.22 = 9,375.96/x
  3. Step 3: Cross multiply
    13,853.82x = 19,112.22 × 9,375.96
  4. Step 4: Simplify right side
    13,853.82x = 179,195,410.23
  5. Step 5: Solve for x
    x = 179,195,410.23/13,853.82
  6. Step 6: Final answer
    x = 12,934.73

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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.