Home / 18,521.22-27,801.57-7,996.38

Finding the Fourth Proportional to 18,521.22, 27,801.57 and 7,996.38

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Solution

The fourth proportional to 18,521.22, 27,801.57 and 7,996.38 is: 12,003.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.22 : 27,801.57 = 7,996.38 : x
  2. Step 2: Convert to fraction form
    18,521.22/27,801.57 = 7,996.38/x
  3. Step 3: Cross multiply
    18,521.22x = 27,801.57 × 7,996.38
  4. Step 4: Simplify right side
    18,521.22x = 222,311,918.32
  5. Step 5: Solve for x
    x = 222,311,918.32/18,521.22
  6. Step 6: Final answer
    x = 12,003.09

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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.