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Finding the Fourth Proportional to 18,824.00, 25,988.36 and 11,759.99

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Solution

The fourth proportional to 18,824.00, 25,988.36 and 11,759.99 is: 16,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.00 : 25,988.36 = 11,759.99 : x
  2. Step 2: Convert to fraction form
    18,824.00/25,988.36 = 11,759.99/x
  3. Step 3: Cross multiply
    18,824.00x = 25,988.36 × 11,759.99
  4. Step 4: Simplify right side
    18,824.00x = 305,622,664.97
  5. Step 5: Solve for x
    x = 305,622,664.97/18,824.00
  6. Step 6: Final answer
    x = 16,235.80

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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.