Home / 18,144.44-27,205.32-10,342.52

Finding the Fourth Proportional to 18,144.44, 27,205.32 and 10,342.52

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Solution

The fourth proportional to 18,144.44, 27,205.32 and 10,342.52 is: 15,507.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.44 : 27,205.32 = 10,342.52 : x
  2. Step 2: Convert to fraction form
    18,144.44/27,205.32 = 10,342.52/x
  3. Step 3: Cross multiply
    18,144.44x = 27,205.32 × 10,342.52
  4. Step 4: Simplify right side
    18,144.44x = 281,371,566.21
  5. Step 5: Solve for x
    x = 281,371,566.21/18,144.44
  6. Step 6: Final answer
    x = 15,507.32

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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.