Home / 17,947.86-24,781.40-10,883.85

Finding the Fourth Proportional to 17,947.86, 24,781.40 and 10,883.85

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Solution

The fourth proportional to 17,947.86, 24,781.40 and 10,883.85 is: 15,027.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.86 : 24,781.40 = 10,883.85 : x
  2. Step 2: Convert to fraction form
    17,947.86/24,781.40 = 10,883.85/x
  3. Step 3: Cross multiply
    17,947.86x = 24,781.40 × 10,883.85
  4. Step 4: Simplify right side
    17,947.86x = 269,716,985.97
  5. Step 5: Solve for x
    x = 269,716,985.97/17,947.86
  6. Step 6: Final answer
    x = 15,027.81

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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.