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Finding the Fourth Proportional to 13,401.73, 20,096.73 and 5,905.12

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Solution

The fourth proportional to 13,401.73, 20,096.73 and 5,905.12 is: 8,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401.73 : 20,096.73 = 5,905.12 : x
  2. Step 2: Convert to fraction form
    13,401.73/20,096.73 = 5,905.12/x
  3. Step 3: Cross multiply
    13,401.73x = 20,096.73 × 5,905.12
  4. Step 4: Simplify right side
    13,401.73x = 118,673,602.26
  5. Step 5: Solve for x
    x = 118,673,602.26/13,401.73
  6. Step 6: Final answer
    x = 8,855.10

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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.