Home / 13,402.53-20,103.83-4,045.24

Finding the Fourth Proportional to 13,402.53, 20,103.83 and 4,045.24

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Solution

The fourth proportional to 13,402.53, 20,103.83 and 4,045.24 is: 6,067.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402.53 : 20,103.83 = 4,045.24 : x
  2. Step 2: Convert to fraction form
    13,402.53/20,103.83 = 4,045.24/x
  3. Step 3: Cross multiply
    13,402.53x = 20,103.83 × 4,045.24
  4. Step 4: Simplify right side
    13,402.53x = 81,324,837.34
  5. Step 5: Solve for x
    x = 81,324,837.34/13,402.53
  6. Step 6: Final answer
    x = 6,067.87

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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.