Home / 12,028.65-18,040.85-3,264.25

Finding the Fourth Proportional to 12,028.65, 18,040.85 and 3,264.25

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Solution

The fourth proportional to 12,028.65, 18,040.85 and 3,264.25 is: 4,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.65 : 18,040.85 = 3,264.25 : x
  2. Step 2: Convert to fraction form
    12,028.65/18,040.85 = 3,264.25/x
  3. Step 3: Cross multiply
    12,028.65x = 18,040.85 × 3,264.25
  4. Step 4: Simplify right side
    12,028.65x = 58,889,844.61
  5. Step 5: Solve for x
    x = 58,889,844.61/12,028.65
  6. Step 6: Final answer
    x = 4,895.80

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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.