Home / 19,405.53-29,087.57-11,067.59

Finding the Fourth Proportional to 19,405.53, 29,087.57 and 11,067.59

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Solution

The fourth proportional to 19,405.53, 29,087.57 and 11,067.59 is: 16,589.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405.53 : 29,087.57 = 11,067.59 : x
  2. Step 2: Convert to fraction form
    19,405.53/29,087.57 = 11,067.59/x
  3. Step 3: Cross multiply
    19,405.53x = 29,087.57 × 11,067.59
  4. Step 4: Simplify right side
    19,405.53x = 321,929,098.08
  5. Step 5: Solve for x
    x = 321,929,098.08/19,405.53
  6. Step 6: Final answer
    x = 16,589.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.