Home / 15,067.26-20,790.90-8,352.83

Finding the Fourth Proportional to 15,067.26, 20,790.90 and 8,352.83

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Solution

The fourth proportional to 15,067.26, 20,790.90 and 8,352.83 is: 11,525.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067.26 : 20,790.90 = 8,352.83 : x
  2. Step 2: Convert to fraction form
    15,067.26/20,790.90 = 8,352.83/x
  3. Step 3: Cross multiply
    15,067.26x = 20,790.90 × 8,352.83
  4. Step 4: Simplify right side
    15,067.26x = 173,662,827.26
  5. Step 5: Solve for x
    x = 173,662,827.26/15,067.26
  6. Step 6: Final answer
    x = 11,525.84

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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.