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Finding the Fourth Proportional to 13,754.70, 20,635.26 and 10,954.14

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Solution

The fourth proportional to 13,754.70, 20,635.26 and 10,954.14 is: 16,433.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.70 : 20,635.26 = 10,954.14 : x
  2. Step 2: Convert to fraction form
    13,754.70/20,635.26 = 10,954.14/x
  3. Step 3: Cross multiply
    13,754.70x = 20,635.26 × 10,954.14
  4. Step 4: Simplify right side
    13,754.70x = 226,041,526.98
  5. Step 5: Solve for x
    x = 226,041,526.98/13,754.70
  6. Step 6: Final answer
    x = 16,433.77

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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.