Home / 13,043.44-17,986.68-11,161.25

Finding the Fourth Proportional to 13,043.44, 17,986.68 and 11,161.25

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Solution

The fourth proportional to 13,043.44, 17,986.68 and 11,161.25 is: 15,391.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.44 : 17,986.68 = 11,161.25 : x
  2. Step 2: Convert to fraction form
    13,043.44/17,986.68 = 11,161.25/x
  3. Step 3: Cross multiply
    13,043.44x = 17,986.68 × 11,161.25
  4. Step 4: Simplify right side
    13,043.44x = 200,753,891.65
  5. Step 5: Solve for x
    x = 200,753,891.65/13,043.44
  6. Step 6: Final answer
    x = 15,391.18

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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.