Home / 18,016.69-27,028.56-6,922.53

Finding the Fourth Proportional to 18,016.69, 27,028.56 and 6,922.53

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Solution

The fourth proportional to 18,016.69, 27,028.56 and 6,922.53 is: 10,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016.69 : 27,028.56 = 6,922.53 : x
  2. Step 2: Convert to fraction form
    18,016.69/27,028.56 = 6,922.53/x
  3. Step 3: Cross multiply
    18,016.69x = 27,028.56 × 6,922.53
  4. Step 4: Simplify right side
    18,016.69x = 187,106,017.46
  5. Step 5: Solve for x
    x = 187,106,017.46/18,016.69
  6. Step 6: Final answer
    x = 10,385.15

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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.