Home / 19,797.68-27,320.97-11,414.18

Finding the Fourth Proportional to 19,797.68, 27,320.97 and 11,414.18

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Solution

The fourth proportional to 19,797.68, 27,320.97 and 11,414.18 is: 15,751.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.68 : 27,320.97 = 11,414.18 : x
  2. Step 2: Convert to fraction form
    19,797.68/27,320.97 = 11,414.18/x
  3. Step 3: Cross multiply
    19,797.68x = 27,320.97 × 11,414.18
  4. Step 4: Simplify right side
    19,797.68x = 311,846,469.35
  5. Step 5: Solve for x
    x = 311,846,469.35/19,797.68
  6. Step 6: Final answer
    x = 15,751.67

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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.