Home / 12,016.38-18,026.87-3,694.92

Finding the Fourth Proportional to 12,016.38, 18,026.87 and 3,694.92

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Solution

The fourth proportional to 12,016.38, 18,026.87 and 3,694.92 is: 5,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.38 : 18,026.87 = 3,694.92 : x
  2. Step 2: Convert to fraction form
    12,016.38/18,026.87 = 3,694.92/x
  3. Step 3: Cross multiply
    12,016.38x = 18,026.87 × 3,694.92
  4. Step 4: Simplify right side
    12,016.38x = 66,607,842.50
  5. Step 5: Solve for x
    x = 66,607,842.50/12,016.38
  6. Step 6: Final answer
    x = 5,543.09

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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.