Home / 15,067.20-20,792.46-8,352.81

Finding the Fourth Proportional to 15,067.20, 20,792.46 and 8,352.81

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Solution

The fourth proportional to 15,067.20, 20,792.46 and 8,352.81 is: 11,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067.20 : 20,792.46 = 8,352.81 : x
  2. Step 2: Convert to fraction form
    15,067.20/20,792.46 = 8,352.81/x
  3. Step 3: Cross multiply
    15,067.20x = 20,792.46 × 8,352.81
  4. Step 4: Simplify right side
    15,067.20x = 173,675,467.81
  5. Step 5: Solve for x
    x = 173,675,467.81/15,067.20
  6. Step 6: Final answer
    x = 11,526.72

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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.