Home / 22,067.79-30,454.16-11,996.91

Finding the Fourth Proportional to 22,067.79, 30,454.16 and 11,996.91

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Solution

The fourth proportional to 22,067.79, 30,454.16 and 11,996.91 is: 16,556.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,067.79 : 30,454.16 = 11,996.91 : x
  2. Step 2: Convert to fraction form
    22,067.79/30,454.16 = 11,996.91/x
  3. Step 3: Cross multiply
    22,067.79x = 30,454.16 × 11,996.91
  4. Step 4: Simplify right side
    22,067.79x = 365,355,756.66
  5. Step 5: Solve for x
    x = 365,355,756.66/22,067.79
  6. Step 6: Final answer
    x = 16,556.06

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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.