Home / 18,135.06-27,196.41-6,286.07

Finding the Fourth Proportional to 18,135.06, 27,196.41 and 6,286.07

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Solution

The fourth proportional to 18,135.06, 27,196.41 and 6,286.07 is: 9,426.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135.06 : 27,196.41 = 6,286.07 : x
  2. Step 2: Convert to fraction form
    18,135.06/27,196.41 = 6,286.07/x
  3. Step 3: Cross multiply
    18,135.06x = 27,196.41 × 6,286.07
  4. Step 4: Simplify right side
    18,135.06x = 170,958,401.03
  5. Step 5: Solve for x
    x = 170,958,401.03/18,135.06
  6. Step 6: Final answer
    x = 9,426.96

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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.