Home / 18,072.12-27,097.38-6,969.60

Finding the Fourth Proportional to 18,072.12, 27,097.38 and 6,969.60

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Solution

The fourth proportional to 18,072.12, 27,097.38 and 6,969.60 is: 10,450.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.12 : 27,097.38 = 6,969.60 : x
  2. Step 2: Convert to fraction form
    18,072.12/27,097.38 = 6,969.60/x
  3. Step 3: Cross multiply
    18,072.12x = 27,097.38 × 6,969.60
  4. Step 4: Simplify right side
    18,072.12x = 188,857,899.65
  5. Step 5: Solve for x
    x = 188,857,899.65/18,072.12
  6. Step 6: Final answer
    x = 10,450.23

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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.