Home / 18,081.46-27,101.39-11,330.10

Finding the Fourth Proportional to 18,081.46, 27,101.39 and 11,330.10

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Solution

The fourth proportional to 18,081.46, 27,101.39 and 11,330.10 is: 16,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081.46 : 27,101.39 = 11,330.10 : x
  2. Step 2: Convert to fraction form
    18,081.46/27,101.39 = 11,330.10/x
  3. Step 3: Cross multiply
    18,081.46x = 27,101.39 × 11,330.10
  4. Step 4: Simplify right side
    18,081.46x = 307,061,458.84
  5. Step 5: Solve for x
    x = 307,061,458.84/18,081.46
  6. Step 6: Final answer
    x = 16,982.12

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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.