Home / 13,474.62-20,221.18-4,709.54

Finding the Fourth Proportional to 13,474.62, 20,221.18 and 4,709.54

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Solution

The fourth proportional to 13,474.62, 20,221.18 and 4,709.54 is: 7,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.62 : 20,221.18 = 4,709.54 : x
  2. Step 2: Convert to fraction form
    13,474.62/20,221.18 = 4,709.54/x
  3. Step 3: Cross multiply
    13,474.62x = 20,221.18 × 4,709.54
  4. Step 4: Simplify right side
    13,474.62x = 95,232,494.84
  5. Step 5: Solve for x
    x = 95,232,494.84/13,474.62
  6. Step 6: Final answer
    x = 7,067.55

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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.