Home / 18,155.49-27,230.00-4,828.56

Finding the Fourth Proportional to 18,155.49, 27,230.00 and 4,828.56

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Solution

The fourth proportional to 18,155.49, 27,230.00 and 4,828.56 is: 7,241.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.49 : 27,230.00 = 4,828.56 : x
  2. Step 2: Convert to fraction form
    18,155.49/27,230.00 = 4,828.56/x
  3. Step 3: Cross multiply
    18,155.49x = 27,230.00 × 4,828.56
  4. Step 4: Simplify right side
    18,155.49x = 131,481,664.66
  5. Step 5: Solve for x
    x = 131,481,664.66/18,155.49
  6. Step 6: Final answer
    x = 7,241.98

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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.