Home / 22,138.71-30,551.26-12,067.12

Finding the Fourth Proportional to 22,138.71, 30,551.26 and 12,067.12

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Solution

The fourth proportional to 22,138.71, 30,551.26 and 12,067.12 is: 16,652.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.71 : 30,551.26 = 12,067.12 : x
  2. Step 2: Convert to fraction form
    22,138.71/30,551.26 = 12,067.12/x
  3. Step 3: Cross multiply
    22,138.71x = 30,551.26 × 12,067.12
  4. Step 4: Simplify right side
    22,138.71x = 368,665,660.24
  5. Step 5: Solve for x
    x = 368,665,660.24/22,138.71
  6. Step 6: Final answer
    x = 16,652.54

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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.