Home / 20,019.61-27,626.88-11,067.34

Finding the Fourth Proportional to 20,019.61, 27,626.88 and 11,067.34

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Solution

The fourth proportional to 20,019.61, 27,626.88 and 11,067.34 is: 15,272.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019.61 : 27,626.88 = 11,067.34 : x
  2. Step 2: Convert to fraction form
    20,019.61/27,626.88 = 11,067.34/x
  3. Step 3: Cross multiply
    20,019.61x = 27,626.88 × 11,067.34
  4. Step 4: Simplify right side
    20,019.61x = 305,756,074.10
  5. Step 5: Solve for x
    x = 305,756,074.10/20,019.61
  6. Step 6: Final answer
    x = 15,272.83

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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.