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Finding the Fourth Proportional to 19,996.84, 27,586.74 and 11,608.84

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Solution

The fourth proportional to 19,996.84, 27,586.74 and 11,608.84 is: 16,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.84 : 27,586.74 = 11,608.84 : x
  2. Step 2: Convert to fraction form
    19,996.84/27,586.74 = 11,608.84/x
  3. Step 3: Cross multiply
    19,996.84x = 27,586.74 × 11,608.84
  4. Step 4: Simplify right side
    19,996.84x = 320,250,050.78
  5. Step 5: Solve for x
    x = 320,250,050.78/19,996.84
  6. Step 6: Final answer
    x = 16,015.03

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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.