Home / 20,021.18-27,626.77-11,067.44

Finding the Fourth Proportional to 20,021.18, 27,626.77 and 11,067.44

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Solution

The fourth proportional to 20,021.18, 27,626.77 and 11,067.44 is: 15,271.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021.18 : 27,626.77 = 11,067.44 : x
  2. Step 2: Convert to fraction form
    20,021.18/27,626.77 = 11,067.44/x
  3. Step 3: Cross multiply
    20,021.18x = 27,626.77 × 11,067.44
  4. Step 4: Simplify right side
    20,021.18x = 305,757,495.07
  5. Step 5: Solve for x
    x = 305,757,495.07/20,021.18
  6. Step 6: Final answer
    x = 15,271.71

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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.