Home / 22,016.88-30,378.54-13,067.36

Finding the Fourth Proportional to 22,016.88, 30,378.54 and 13,067.36

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Solution

The fourth proportional to 22,016.88, 30,378.54 and 13,067.36 is: 18,030.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,016.88 : 30,378.54 = 13,067.36 : x
  2. Step 2: Convert to fraction form
    22,016.88/30,378.54 = 13,067.36/x
  3. Step 3: Cross multiply
    22,016.88x = 30,378.54 × 13,067.36
  4. Step 4: Simplify right side
    22,016.88x = 396,967,329.48
  5. Step 5: Solve for x
    x = 396,967,329.48/22,016.88
  6. Step 6: Final answer
    x = 18,030.14

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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.