Home / 18,536.46-27,806.22-5,388.81

Finding the Fourth Proportional to 18,536.46, 27,806.22 and 5,388.81

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Solution

The fourth proportional to 18,536.46, 27,806.22 and 5,388.81 is: 8,083.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.46 : 27,806.22 = 5,388.81 : x
  2. Step 2: Convert to fraction form
    18,536.46/27,806.22 = 5,388.81/x
  3. Step 3: Cross multiply
    18,536.46x = 27,806.22 × 5,388.81
  4. Step 4: Simplify right side
    18,536.46x = 149,842,436.40
  5. Step 5: Solve for x
    x = 149,842,436.40/18,536.46
  6. Step 6: Final answer
    x = 8,083.66

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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.