Home / 14,136.39-21,202.56-3,748.14

Finding the Fourth Proportional to 14,136.39, 21,202.56 and 3,748.14

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Solution

The fourth proportional to 14,136.39, 21,202.56 and 3,748.14 is: 5,621.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.39 : 21,202.56 = 3,748.14 : x
  2. Step 2: Convert to fraction form
    14,136.39/21,202.56 = 3,748.14/x
  3. Step 3: Cross multiply
    14,136.39x = 21,202.56 × 3,748.14
  4. Step 4: Simplify right side
    14,136.39x = 79,470,163.24
  5. Step 5: Solve for x
    x = 79,470,163.24/14,136.39
  6. Step 6: Final answer
    x = 5,621.67

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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.