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Finding the Fourth Proportional to 19,999.67, 27,597.39 and 11,046.74

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Solution

The fourth proportional to 19,999.67, 27,597.39 and 11,046.74 is: 15,243.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,999.67 : 27,597.39 = 11,046.74 : x
  2. Step 2: Convert to fraction form
    19,999.67/27,597.39 = 11,046.74/x
  3. Step 3: Cross multiply
    19,999.67x = 27,597.39 × 11,046.74
  4. Step 4: Simplify right side
    19,999.67x = 304,861,192.01
  5. Step 5: Solve for x
    x = 304,861,192.01/19,999.67
  6. Step 6: Final answer
    x = 15,243.31

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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.