Home / 18,072.48-27,087.93-6,974.27

Finding the Fourth Proportional to 18,072.48, 27,087.93 and 6,974.27

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Solution

The fourth proportional to 18,072.48, 27,087.93 and 6,974.27 is: 10,453.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.48 : 27,087.93 = 6,974.27 : x
  2. Step 2: Convert to fraction form
    18,072.48/27,087.93 = 6,974.27/x
  3. Step 3: Cross multiply
    18,072.48x = 27,087.93 × 6,974.27
  4. Step 4: Simplify right side
    18,072.48x = 188,918,402.12
  5. Step 5: Solve for x
    x = 188,918,402.12/18,072.48
  6. Step 6: Final answer
    x = 10,453.37

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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.