Home / 18,238.62-27,362.16-5,759.88

Finding the Fourth Proportional to 18,238.62, 27,362.16 and 5,759.88

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Solution

The fourth proportional to 18,238.62, 27,362.16 and 5,759.88 is: 8,641.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.62 : 27,362.16 = 5,759.88 : x
  2. Step 2: Convert to fraction form
    18,238.62/27,362.16 = 5,759.88/x
  3. Step 3: Cross multiply
    18,238.62x = 27,362.16 × 5,759.88
  4. Step 4: Simplify right side
    18,238.62x = 157,602,758.14
  5. Step 5: Solve for x
    x = 157,602,758.14/18,238.62
  6. Step 6: Final answer
    x = 8,641.16

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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.