Home / 13,474.62-20,212.07-4,709.75

Finding the Fourth Proportional to 13,474.62, 20,212.07 and 4,709.75

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Solution

The fourth proportional to 13,474.62, 20,212.07 and 4,709.75 is: 7,064.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.62 : 20,212.07 = 4,709.75 : x
  2. Step 2: Convert to fraction form
    13,474.62/20,212.07 = 4,709.75/x
  3. Step 3: Cross multiply
    13,474.62x = 20,212.07 × 4,709.75
  4. Step 4: Simplify right side
    13,474.62x = 95,193,672.07
  5. Step 5: Solve for x
    x = 95,193,672.07/13,474.62
  6. Step 6: Final answer
    x = 7,064.66

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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.