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Finding the Fourth Proportional to 13,396.08, 18,501.03 and 10,447.14

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Solution

The fourth proportional to 13,396.08, 18,501.03 and 10,447.14 is: 14,428.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,396.08 : 18,501.03 = 10,447.14 : x
  2. Step 2: Convert to fraction form
    13,396.08/18,501.03 = 10,447.14/x
  3. Step 3: Cross multiply
    13,396.08x = 18,501.03 × 10,447.14
  4. Step 4: Simplify right side
    13,396.08x = 193,282,850.55
  5. Step 5: Solve for x
    x = 193,282,850.55/13,396.08
  6. Step 6: Final answer
    x = 14,428.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.