Home / 12,019.53-18,028.49-5,094.03

Finding the Fourth Proportional to 12,019.53, 18,028.49 and 5,094.03

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Solution

The fourth proportional to 12,019.53, 18,028.49 and 5,094.03 is: 7,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019.53 : 18,028.49 = 5,094.03 : x
  2. Step 2: Convert to fraction form
    12,019.53/18,028.49 = 5,094.03/x
  3. Step 3: Cross multiply
    12,019.53x = 18,028.49 × 5,094.03
  4. Step 4: Simplify right side
    12,019.53x = 91,837,643.44
  5. Step 5: Solve for x
    x = 91,837,643.44/12,019.53
  6. Step 6: Final answer
    x = 7,640.70

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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.