Home / 15,198.18-20,982.26-11,584.76

Finding the Fourth Proportional to 15,198.18, 20,982.26 and 11,584.76

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Solution

The fourth proportional to 15,198.18, 20,982.26 and 11,584.76 is: 15,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,198.18 : 20,982.26 = 11,584.76 : x
  2. Step 2: Convert to fraction form
    15,198.18/20,982.26 = 11,584.76/x
  3. Step 3: Cross multiply
    15,198.18x = 20,982.26 × 11,584.76
  4. Step 4: Simplify right side
    15,198.18x = 243,074,446.36
  5. Step 5: Solve for x
    x = 243,074,446.36/15,198.18
  6. Step 6: Final answer
    x = 15,993.65

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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.