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Finding the Fourth Proportional to 14,099.62, 21,147.94 and 7,433.45

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Solution

The fourth proportional to 14,099.62, 21,147.94 and 7,433.45 is: 11,149.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.62 : 21,147.94 = 7,433.45 : x
  2. Step 2: Convert to fraction form
    14,099.62/21,147.94 = 7,433.45/x
  3. Step 3: Cross multiply
    14,099.62x = 21,147.94 × 7,433.45
  4. Step 4: Simplify right side
    14,099.62x = 157,202,154.59
  5. Step 5: Solve for x
    x = 157,202,154.59/14,099.62
  6. Step 6: Final answer
    x = 11,149.39

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1.5x scale

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.