Home / 38,067.60-57,095.10-12,766.80

Finding the Fourth Proportional to 38,067.60, 57,095.10 and 12,766.80

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Solution

The fourth proportional to 38,067.60, 57,095.10 and 12,766.80 is: 19,148.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,067.60 : 57,095.10 = 12,766.80 : x
  2. Step 2: Convert to fraction form
    38,067.60/57,095.10 = 12,766.80/x
  3. Step 3: Cross multiply
    38,067.60x = 57,095.10 × 12,766.80
  4. Step 4: Simplify right side
    38,067.60x = 728,921,722.68
  5. Step 5: Solve for x
    x = 728,921,722.68/38,067.60
  6. Step 6: Final answer
    x = 19,148.09

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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.