Home / 15,067.31-20,792.32-8,353.04

Finding the Fourth Proportional to 15,067.31, 20,792.32 and 8,353.04

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Solution

The fourth proportional to 15,067.31, 20,792.32 and 8,353.04 is: 11,526.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067.31 : 20,792.32 = 8,353.04 : x
  2. Step 2: Convert to fraction form
    15,067.31/20,792.32 = 8,353.04/x
  3. Step 3: Cross multiply
    15,067.31x = 20,792.32 × 8,353.04
  4. Step 4: Simplify right side
    15,067.31x = 173,679,111.75
  5. Step 5: Solve for x
    x = 173,679,111.75/15,067.31
  6. Step 6: Final answer
    x = 11,526.88

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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.