Home / 18,137.36-27,198.62-5,653.16

Finding the Fourth Proportional to 18,137.36, 27,198.62 and 5,653.16

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Solution

The fourth proportional to 18,137.36, 27,198.62 and 5,653.16 is: 8,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137.36 : 27,198.62 = 5,653.16 : x
  2. Step 2: Convert to fraction form
    18,137.36/27,198.62 = 5,653.16/x
  3. Step 3: Cross multiply
    18,137.36x = 27,198.62 × 5,653.16
  4. Step 4: Simplify right side
    18,137.36x = 153,758,150.64
  5. Step 5: Solve for x
    x = 153,758,150.64/18,137.36
  6. Step 6: Final answer
    x = 8,477.43

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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.