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Finding the Fourth Proportional to 18,100.26, 24,965.01 and 11,380.50

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Solution

The fourth proportional to 18,100.26, 24,965.01 and 11,380.50 is: 15,696.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.26 : 24,965.01 = 11,380.50 : x
  2. Step 2: Convert to fraction form
    18,100.26/24,965.01 = 11,380.50/x
  3. Step 3: Cross multiply
    18,100.26x = 24,965.01 × 11,380.50
  4. Step 4: Simplify right side
    18,100.26x = 284,114,296.31
  5. Step 5: Solve for x
    x = 284,114,296.31/18,100.26
  6. Step 6: Final answer
    x = 15,696.70

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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.