Home / 11,947.94-17,821.10-10,375.58

Finding the Fourth Proportional to 11,947.94, 17,821.10 and 10,375.58

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Solution

The fourth proportional to 11,947.94, 17,821.10 and 10,375.58 is: 15,475.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.94 : 17,821.10 = 10,375.58 : x
  2. Step 2: Convert to fraction form
    11,947.94/17,821.10 = 10,375.58/x
  3. Step 3: Cross multiply
    11,947.94x = 17,821.10 × 10,375.58
  4. Step 4: Simplify right side
    11,947.94x = 184,904,248.74
  5. Step 5: Solve for x
    x = 184,904,248.74/11,947.94
  6. Step 6: Final answer
    x = 15,475.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.