Home / 18,296.22-27,441.90-5,149.72

Finding the Fourth Proportional to 18,296.22, 27,441.90 and 5,149.72

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Solution

The fourth proportional to 18,296.22, 27,441.90 and 5,149.72 is: 7,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.22 : 27,441.90 = 5,149.72 : x
  2. Step 2: Convert to fraction form
    18,296.22/27,441.90 = 5,149.72/x
  3. Step 3: Cross multiply
    18,296.22x = 27,441.90 × 5,149.72
  4. Step 4: Simplify right side
    18,296.22x = 141,318,032.66
  5. Step 5: Solve for x
    x = 141,318,032.66/18,296.22
  6. Step 6: Final answer
    x = 7,723.89

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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.