Home / 18,268.36-27,396.06-6,578.44

Finding the Fourth Proportional to 18,268.36, 27,396.06 and 6,578.44

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Solution

The fourth proportional to 18,268.36, 27,396.06 and 6,578.44 is: 9,865.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.36 : 27,396.06 = 6,578.44 : x
  2. Step 2: Convert to fraction form
    18,268.36/27,396.06 = 6,578.44/x
  3. Step 3: Cross multiply
    18,268.36x = 27,396.06 × 6,578.44
  4. Step 4: Simplify right side
    18,268.36x = 180,223,336.95
  5. Step 5: Solve for x
    x = 180,223,336.95/18,268.36
  6. Step 6: Final answer
    x = 9,865.33

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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.