Home / 12,229.08-18,343.68-2,995.08

Finding the Fourth Proportional to 12,229.08, 18,343.68 and 2,995.08

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Solution

The fourth proportional to 12,229.08, 18,343.68 and 2,995.08 is: 4,492.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.08 : 18,343.68 = 2,995.08 : x
  2. Step 2: Convert to fraction form
    12,229.08/18,343.68 = 2,995.08/x
  3. Step 3: Cross multiply
    12,229.08x = 18,343.68 × 2,995.08
  4. Step 4: Simplify right side
    12,229.08x = 54,940,789.09
  5. Step 5: Solve for x
    x = 54,940,789.09/12,229.08
  6. Step 6: Final answer
    x = 4,492.63

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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.