Home / 22,067.56-30,446.23-13,688.92

Finding the Fourth Proportional to 22,067.56, 30,446.23 and 13,688.92

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Solution

The fourth proportional to 22,067.56, 30,446.23 and 13,688.92 is: 18,886.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,067.56 : 30,446.23 = 13,688.92 : x
  2. Step 2: Convert to fraction form
    22,067.56/30,446.23 = 13,688.92/x
  3. Step 3: Cross multiply
    22,067.56x = 30,446.23 × 13,688.92
  4. Step 4: Simplify right side
    22,067.56x = 416,775,786.10
  5. Step 5: Solve for x
    x = 416,775,786.10/22,067.56
  6. Step 6: Final answer
    x = 18,886.36

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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.