Home / 18,054.90-27,083.11-5,574.62

Finding the Fourth Proportional to 18,054.90, 27,083.11 and 5,574.62

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Solution

The fourth proportional to 18,054.90, 27,083.11 and 5,574.62 is: 8,362.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,054.90 : 27,083.11 = 5,574.62 : x
  2. Step 2: Convert to fraction form
    18,054.90/27,083.11 = 5,574.62/x
  3. Step 3: Cross multiply
    18,054.90x = 27,083.11 × 5,574.62
  4. Step 4: Simplify right side
    18,054.90x = 150,978,110.89
  5. Step 5: Solve for x
    x = 150,978,110.89/18,054.90
  6. Step 6: Final answer
    x = 8,362.17

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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.