Home / 18,776.57-28,163.77-6,296.09

Finding the Fourth Proportional to 18,776.57, 28,163.77 and 6,296.09

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Solution

The fourth proportional to 18,776.57, 28,163.77 and 6,296.09 is: 9,443.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,776.57 : 28,163.77 = 6,296.09 : x
  2. Step 2: Convert to fraction form
    18,776.57/28,163.77 = 6,296.09/x
  3. Step 3: Cross multiply
    18,776.57x = 28,163.77 × 6,296.09
  4. Step 4: Simplify right side
    18,776.57x = 177,321,630.66
  5. Step 5: Solve for x
    x = 177,321,630.66/18,776.57
  6. Step 6: Final answer
    x = 9,443.77

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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.