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Finding the Fourth Proportional to 18,906.70, 26,092.11 and 10,523.74

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Solution

The fourth proportional to 18,906.70, 26,092.11 and 10,523.74 is: 14,523.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,906.70 : 26,092.11 = 10,523.74 : x
  2. Step 2: Convert to fraction form
    18,906.70/26,092.11 = 10,523.74/x
  3. Step 3: Cross multiply
    18,906.70x = 26,092.11 × 10,523.74
  4. Step 4: Simplify right side
    18,906.70x = 274,586,581.69
  5. Step 5: Solve for x
    x = 274,586,581.69/18,906.70
  6. Step 6: Final answer
    x = 14,523.24

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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.