Home / 15,067.13-20,792.19-8,261.01

Finding the Fourth Proportional to 15,067.13, 20,792.19 and 8,261.01

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Solution

The fourth proportional to 15,067.13, 20,792.19 and 8,261.01 is: 11,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067.13 : 20,792.19 = 8,261.01 : x
  2. Step 2: Convert to fraction form
    15,067.13/20,792.19 = 8,261.01/x
  3. Step 3: Cross multiply
    15,067.13x = 20,792.19 × 8,261.01
  4. Step 4: Simplify right side
    15,067.13x = 171,764,474.02
  5. Step 5: Solve for x
    x = 171,764,474.02/15,067.13
  6. Step 6: Final answer
    x = 11,399.95

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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.