Home / 15,066.13-20,789.07-8,351.75

Finding the Fourth Proportional to 15,066.13, 20,789.07 and 8,351.75

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Solution

The fourth proportional to 15,066.13, 20,789.07 and 8,351.75 is: 11,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,066.13 : 20,789.07 = 8,351.75 : x
  2. Step 2: Convert to fraction form
    15,066.13/20,789.07 = 8,351.75/x
  3. Step 3: Cross multiply
    15,066.13x = 20,789.07 × 8,351.75
  4. Step 4: Simplify right side
    15,066.13x = 173,625,115.37
  5. Step 5: Solve for x
    x = 173,625,115.37/15,066.13
  6. Step 6: Final answer
    x = 11,524.20

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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.