Home / 13,472.24-20,211.48-4,238

Finding the Fourth Proportional to 13,472.24, 20,211.48 and 4,238

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Solution

The fourth proportional to 13,472.24, 20,211.48 and 4,238 is: 6,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.24 : 20,211.48 = 4,238 : x
  2. Step 2: Convert to fraction form
    13,472.24/20,211.48 = 4,238/x
  3. Step 3: Cross multiply
    13,472.24x = 20,211.48 × 4,238
  4. Step 4: Simplify right side
    13,472.24x = 85,656,252.24
  5. Step 5: Solve for x
    x = 85,656,252.24/13,472.24
  6. Step 6: Final answer
    x = 6,357.98

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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.