Home / 13,844.88-20,745.80-5,521.14

Finding the Fourth Proportional to 13,844.88, 20,745.80 and 5,521.14

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Solution

The fourth proportional to 13,844.88, 20,745.80 and 5,521.14 is: 8,273.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.88 : 20,745.80 = 5,521.14 : x
  2. Step 2: Convert to fraction form
    13,844.88/20,745.80 = 5,521.14/x
  3. Step 3: Cross multiply
    13,844.88x = 20,745.80 × 5,521.14
  4. Step 4: Simplify right side
    13,844.88x = 114,540,466.21
  5. Step 5: Solve for x
    x = 114,540,466.21/13,844.88
  6. Step 6: Final answer
    x = 8,273.13

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1.5x scale

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.