Home / 13,057.48-18,028.67-8,028.44

Finding the Fourth Proportional to 13,057.48, 18,028.67 and 8,028.44

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Solution

The fourth proportional to 13,057.48, 18,028.67 and 8,028.44 is: 11,084.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.48 : 18,028.67 = 8,028.44 : x
  2. Step 2: Convert to fraction form
    13,057.48/18,028.67 = 8,028.44/x
  3. Step 3: Cross multiply
    13,057.48x = 18,028.67 × 8,028.44
  4. Step 4: Simplify right side
    13,057.48x = 144,741,965.09
  5. Step 5: Solve for x
    x = 144,741,965.09/13,057.48
  6. Step 6: Final answer
    x = 11,084.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.