Home / 18,114.03-27,169.72-4,965.36

Finding the Fourth Proportional to 18,114.03, 27,169.72 and 4,965.36

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Solution

The fourth proportional to 18,114.03, 27,169.72 and 4,965.36 is: 7,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.03 : 27,169.72 = 4,965.36 : x
  2. Step 2: Convert to fraction form
    18,114.03/27,169.72 = 4,965.36/x
  3. Step 3: Cross multiply
    18,114.03x = 27,169.72 × 4,965.36
  4. Step 4: Simplify right side
    18,114.03x = 134,907,440.90
  5. Step 5: Solve for x
    x = 134,907,440.90/18,114.03
  6. Step 6: Final answer
    x = 7,447.68

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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.