Home / 18,296.15-27,449.01-7,766.55

Finding the Fourth Proportional to 18,296.15, 27,449.01 and 7,766.55

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Solution

The fourth proportional to 18,296.15, 27,449.01 and 7,766.55 is: 11,651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.15 : 27,449.01 = 7,766.55 : x
  2. Step 2: Convert to fraction form
    18,296.15/27,449.01 = 7,766.55/x
  3. Step 3: Cross multiply
    18,296.15x = 27,449.01 × 7,766.55
  4. Step 4: Simplify right side
    18,296.15x = 213,184,108.62
  5. Step 5: Solve for x
    x = 213,184,108.62/18,296.15
  6. Step 6: Final answer
    x = 11,651.86

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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.