Home / 18,125.44-27,188.46-4,977.73

Finding the Fourth Proportional to 18,125.44, 27,188.46 and 4,977.73

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Solution

The fourth proportional to 18,125.44, 27,188.46 and 4,977.73 is: 7,466.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.44 : 27,188.46 = 4,977.73 : x
  2. Step 2: Convert to fraction form
    18,125.44/27,188.46 = 4,977.73/x
  3. Step 3: Cross multiply
    18,125.44x = 27,188.46 × 4,977.73
  4. Step 4: Simplify right side
    18,125.44x = 135,336,813.00
  5. Step 5: Solve for x
    x = 135,336,813.00/18,125.44
  6. Step 6: Final answer
    x = 7,466.68

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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.