Home / 22,067.20-30,449.73-13,111.44

Finding the Fourth Proportional to 22,067.20, 30,449.73 and 13,111.44

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Solution

The fourth proportional to 22,067.20, 30,449.73 and 13,111.44 is: 18,092.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,067.20 : 30,449.73 = 13,111.44 : x
  2. Step 2: Convert to fraction form
    22,067.20/30,449.73 = 13,111.44/x
  3. Step 3: Cross multiply
    22,067.20x = 30,449.73 × 13,111.44
  4. Step 4: Simplify right side
    22,067.20x = 399,239,807.91
  5. Step 5: Solve for x
    x = 399,239,807.91/22,067.20
  6. Step 6: Final answer
    x = 18,092.00

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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.