Home / 13,255.93-19,884.03-3,896.11

Finding the Fourth Proportional to 13,255.93, 19,884.03 and 3,896.11

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Solution

The fourth proportional to 13,255.93, 19,884.03 and 3,896.11 is: 5,844.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.93 : 19,884.03 = 3,896.11 : x
  2. Step 2: Convert to fraction form
    13,255.93/19,884.03 = 3,896.11/x
  3. Step 3: Cross multiply
    13,255.93x = 19,884.03 × 3,896.11
  4. Step 4: Simplify right side
    13,255.93x = 77,470,348.64
  5. Step 5: Solve for x
    x = 77,470,348.64/13,255.93
  6. Step 6: Final answer
    x = 5,844.21

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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.