Home / 13,717.16-20,575.68-3,329

Finding the Fourth Proportional to 13,717.16, 20,575.68 and 3,329

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Solution

The fourth proportional to 13,717.16, 20,575.68 and 3,329 is: 4,993.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.16 : 20,575.68 = 3,329 : x
  2. Step 2: Convert to fraction form
    13,717.16/20,575.68 = 3,329/x
  3. Step 3: Cross multiply
    13,717.16x = 20,575.68 × 3,329
  4. Step 4: Simplify right side
    13,717.16x = 68,496,438.72
  5. Step 5: Solve for x
    x = 68,496,438.72/13,717.16
  6. Step 6: Final answer
    x = 4,993.49

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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.