Home / 11,951.41-17,874.66-10,644.34

Finding the Fourth Proportional to 11,951.41, 17,874.66 and 10,644.34

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Solution

The fourth proportional to 11,951.41, 17,874.66 and 10,644.34 is: 15,919.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,951.41 : 17,874.66 = 10,644.34 : x
  2. Step 2: Convert to fraction form
    11,951.41/17,874.66 = 10,644.34/x
  3. Step 3: Cross multiply
    11,951.41x = 17,874.66 × 10,644.34
  4. Step 4: Simplify right side
    11,951.41x = 190,263,958.42
  5. Step 5: Solve for x
    x = 190,263,958.42/11,951.41
  6. Step 6: Final answer
    x = 15,919.79

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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.