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Finding the Fourth Proportional to 19,998.54, 27,597.81 and 11,046.63

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Solution

The fourth proportional to 19,998.54, 27,597.81 and 11,046.63 is: 15,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.54 : 27,597.81 = 11,046.63 : x
  2. Step 2: Convert to fraction form
    19,998.54/27,597.81 = 11,046.63/x
  3. Step 3: Cross multiply
    19,998.54x = 27,597.81 × 11,046.63
  4. Step 4: Simplify right side
    19,998.54x = 304,862,795.88
  5. Step 5: Solve for x
    x = 304,862,795.88/19,998.54
  6. Step 6: Final answer
    x = 15,244.25

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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.