Home / 19,914.59-27,481.92-10,961.90

Finding the Fourth Proportional to 19,914.59, 27,481.92 and 10,961.90

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Solution

The fourth proportional to 19,914.59, 27,481.92 and 10,961.90 is: 15,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.59 : 27,481.92 = 10,961.90 : x
  2. Step 2: Convert to fraction form
    19,914.59/27,481.92 = 10,961.90/x
  3. Step 3: Cross multiply
    19,914.59x = 27,481.92 × 10,961.90
  4. Step 4: Simplify right side
    19,914.59x = 301,253,983.39
  5. Step 5: Solve for x
    x = 301,253,983.39/19,914.59
  6. Step 6: Final answer
    x = 15,127.30

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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.