Home / 13,994.87-20,997.75-5,227.73

Finding the Fourth Proportional to 13,994.87, 20,997.75 and 5,227.73

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Solution

The fourth proportional to 13,994.87, 20,997.75 and 5,227.73 is: 7,843.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.87 : 20,997.75 = 5,227.73 : x
  2. Step 2: Convert to fraction form
    13,994.87/20,997.75 = 5,227.73/x
  3. Step 3: Cross multiply
    13,994.87x = 20,997.75 × 5,227.73
  4. Step 4: Simplify right side
    13,994.87x = 109,770,462.62
  5. Step 5: Solve for x
    x = 109,770,462.62/13,994.87
  6. Step 6: Final answer
    x = 7,843.62

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1.5x scale

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.