Home / 15,067.39-20,792.12-8,352.59

Finding the Fourth Proportional to 15,067.39, 20,792.12 and 8,352.59

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Solution

The fourth proportional to 15,067.39, 20,792.12 and 8,352.59 is: 11,526.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067.39 : 20,792.12 = 8,352.59 : x
  2. Step 2: Convert to fraction form
    15,067.39/20,792.12 = 8,352.59/x
  3. Step 3: Cross multiply
    15,067.39x = 20,792.12 × 8,352.59
  4. Step 4: Simplify right side
    15,067.39x = 173,668,053.59
  5. Step 5: Solve for x
    x = 173,668,053.59/15,067.39
  6. Step 6: Final answer
    x = 11,526.09

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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.