Home / 22,138.83-30,551.60-12,067.07

Finding the Fourth Proportional to 22,138.83, 30,551.60 and 12,067.07

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Solution

The fourth proportional to 22,138.83, 30,551.60 and 12,067.07 is: 16,652.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.83 : 30,551.60 = 12,067.07 : x
  2. Step 2: Convert to fraction form
    22,138.83/30,551.60 = 12,067.07/x
  3. Step 3: Cross multiply
    22,138.83x = 30,551.60 × 12,067.07
  4. Step 4: Simplify right side
    22,138.83x = 368,668,173.22
  5. Step 5: Solve for x
    x = 368,668,173.22/22,138.83
  6. Step 6: Final answer
    x = 16,652.56

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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.