Home / 20,196.62-27,871.81-11,244.73

Finding the Fourth Proportional to 20,196.62, 27,871.81 and 11,244.73

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Solution

The fourth proportional to 20,196.62, 27,871.81 and 11,244.73 is: 15,517.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.62 : 27,871.81 = 11,244.73 : x
  2. Step 2: Convert to fraction form
    20,196.62/27,871.81 = 11,244.73/x
  3. Step 3: Cross multiply
    20,196.62x = 27,871.81 × 11,244.73
  4. Step 4: Simplify right side
    20,196.62x = 313,410,838.70
  5. Step 5: Solve for x
    x = 313,410,838.70/20,196.62
  6. Step 6: Final answer
    x = 15,517.98

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1.5x scale

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.