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Finding the Fourth Proportional to 18,497.77, 27,745.92 and 10,194.25

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Solution

The fourth proportional to 18,497.77, 27,745.92 and 10,194.25 is: 15,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.77 : 27,745.92 = 10,194.25 : x
  2. Step 2: Convert to fraction form
    18,497.77/27,745.92 = 10,194.25/x
  3. Step 3: Cross multiply
    18,497.77x = 27,745.92 × 10,194.25
  4. Step 4: Simplify right side
    18,497.77x = 282,848,844.96
  5. Step 5: Solve for x
    x = 282,848,844.96/18,497.77
  6. Step 6: Final answer
    x = 15,290.97

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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.