Home / 18,003.67-27,005.19-4,857.43

Finding the Fourth Proportional to 18,003.67, 27,005.19 and 4,857.43

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Solution

The fourth proportional to 18,003.67, 27,005.19 and 4,857.43 is: 7,286.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,003.67 : 27,005.19 = 4,857.43 : x
  2. Step 2: Convert to fraction form
    18,003.67/27,005.19 = 4,857.43/x
  3. Step 3: Cross multiply
    18,003.67x = 27,005.19 × 4,857.43
  4. Step 4: Simplify right side
    18,003.67x = 131,175,795.77
  5. Step 5: Solve for x
    x = 131,175,795.77/18,003.67
  6. Step 6: Final answer
    x = 7,286.06

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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.