Home / 13,882.80-20,924.13-11,958.24

Finding the Fourth Proportional to 13,882.80, 20,924.13 and 11,958.24

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Solution

The fourth proportional to 13,882.80, 20,924.13 and 11,958.24 is: 18,023.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.80 : 20,924.13 = 11,958.24 : x
  2. Step 2: Convert to fraction form
    13,882.80/20,924.13 = 11,958.24/x
  3. Step 3: Cross multiply
    13,882.80x = 20,924.13 × 11,958.24
  4. Step 4: Simplify right side
    13,882.80x = 250,215,768.33
  5. Step 5: Solve for x
    x = 250,215,768.33/13,882.80
  6. Step 6: Final answer
    x = 18,023.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.