Home / 18,536.27-27,805.93-5,388.63

Finding the Fourth Proportional to 18,536.27, 27,805.93 and 5,388.63

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Solution

The fourth proportional to 18,536.27, 27,805.93 and 5,388.63 is: 8,083.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.27 : 27,805.93 = 5,388.63 : x
  2. Step 2: Convert to fraction form
    18,536.27/27,805.93 = 5,388.63/x
  3. Step 3: Cross multiply
    18,536.27x = 27,805.93 × 5,388.63
  4. Step 4: Simplify right side
    18,536.27x = 149,835,855.10
  5. Step 5: Solve for x
    x = 149,835,855.10/18,536.27
  6. Step 6: Final answer
    x = 8,083.39

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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.