Home / 13,396.11-20,099.03-4,631.91

Finding the Fourth Proportional to 13,396.11, 20,099.03 and 4,631.91

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Solution

The fourth proportional to 13,396.11, 20,099.03 and 4,631.91 is: 6,949.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,396.11 : 20,099.03 = 4,631.91 : x
  2. Step 2: Convert to fraction form
    13,396.11/20,099.03 = 4,631.91/x
  3. Step 3: Cross multiply
    13,396.11x = 20,099.03 × 4,631.91
  4. Step 4: Simplify right side
    13,396.11x = 93,096,874.89
  5. Step 5: Solve for x
    x = 93,096,874.89/13,396.11
  6. Step 6: Final answer
    x = 6,949.55

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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.