Home / 18,499.20-27,732.60-11,095.80

Finding the Fourth Proportional to 18,499.20, 27,732.60 and 11,095.80

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Solution

The fourth proportional to 18,499.20, 27,732.60 and 11,095.80 is: 16,633.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499.20 : 27,732.60 = 11,095.80 : x
  2. Step 2: Convert to fraction form
    18,499.20/27,732.60 = 11,095.80/x
  3. Step 3: Cross multiply
    18,499.20x = 27,732.60 × 11,095.80
  4. Step 4: Simplify right side
    18,499.20x = 307,715,383.08
  5. Step 5: Solve for x
    x = 307,715,383.08/18,499.20
  6. Step 6: Final answer
    x = 16,633.98

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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.