Home / 11,944.56-17,939.20-10,969.36

Finding the Fourth Proportional to 11,944.56, 17,939.20 and 10,969.36

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Solution

The fourth proportional to 11,944.56, 17,939.20 and 10,969.36 is: 16,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.56 : 17,939.20 = 10,969.36 : x
  2. Step 2: Convert to fraction form
    11,944.56/17,939.20 = 10,969.36/x
  3. Step 3: Cross multiply
    11,944.56x = 17,939.20 × 10,969.36
  4. Step 4: Simplify right side
    11,944.56x = 196,781,542.91
  5. Step 5: Solve for x
    x = 196,781,542.91/11,944.56
  6. Step 6: Final answer
    x = 16,474.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.