Home / 15,067.28-20,792.84-8,352.89

Finding the Fourth Proportional to 15,067.28, 20,792.84 and 8,352.89

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Solution

The fourth proportional to 15,067.28, 20,792.84 and 8,352.89 is: 11,526.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067.28 : 20,792.84 = 8,352.89 : x
  2. Step 2: Convert to fraction form
    15,067.28/20,792.84 = 8,352.89/x
  3. Step 3: Cross multiply
    15,067.28x = 20,792.84 × 8,352.89
  4. Step 4: Simplify right side
    15,067.28x = 173,680,305.31
  5. Step 5: Solve for x
    x = 173,680,305.31/15,067.28
  6. Step 6: Final answer
    x = 11,526.98

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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.