Home / 18,091.41-27,175.99-13,425.81

Finding the Fourth Proportional to 18,091.41, 27,175.99 and 13,425.81

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Solution

The fourth proportional to 18,091.41, 27,175.99 and 13,425.81 is: 20,167.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.41 : 27,175.99 = 13,425.81 : x
  2. Step 2: Convert to fraction form
    18,091.41/27,175.99 = 13,425.81/x
  3. Step 3: Cross multiply
    18,091.41x = 27,175.99 × 13,425.81
  4. Step 4: Simplify right side
    18,091.41x = 364,859,678.30
  5. Step 5: Solve for x
    x = 364,859,678.30/18,091.41
  6. Step 6: Final answer
    x = 20,167.56

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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.