Home / 20,067.92-30,106.20-9,541.52

Finding the Fourth Proportional to 20,067.92, 30,106.20 and 9,541.52

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Solution

The fourth proportional to 20,067.92, 30,106.20 and 9,541.52 is: 14,314.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.92 : 30,106.20 = 9,541.52 : x
  2. Step 2: Convert to fraction form
    20,067.92/30,106.20 = 9,541.52/x
  3. Step 3: Cross multiply
    20,067.92x = 30,106.20 × 9,541.52
  4. Step 4: Simplify right side
    20,067.92x = 287,258,909.42
  5. Step 5: Solve for x
    x = 287,258,909.42/20,067.92
  6. Step 6: Final answer
    x = 14,314.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.