Home / 17,182.20-23,721.96-13,195.56

Finding the Fourth Proportional to 17,182.20, 23,721.96 and 13,195.56

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Solution

The fourth proportional to 17,182.20, 23,721.96 and 13,195.56 is: 18,217.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,182.20 : 23,721.96 = 13,195.56 : x
  2. Step 2: Convert to fraction form
    17,182.20/23,721.96 = 13,195.56/x
  3. Step 3: Cross multiply
    17,182.20x = 23,721.96 × 13,195.56
  4. Step 4: Simplify right side
    17,182.20x = 313,024,546.50
  5. Step 5: Solve for x
    x = 313,024,546.50/17,182.20
  6. Step 6: Final answer
    x = 18,217.96

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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.