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Finding the Fourth Proportional to 19,648.98, 27,067.97 and 14,604.50

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Solution

The fourth proportional to 19,648.98, 27,067.97 and 14,604.50 is: 20,118.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,648.98 : 27,067.97 = 14,604.50 : x
  2. Step 2: Convert to fraction form
    19,648.98/27,067.97 = 14,604.50/x
  3. Step 3: Cross multiply
    19,648.98x = 27,067.97 × 14,604.50
  4. Step 4: Simplify right side
    19,648.98x = 395,314,272.05
  5. Step 5: Solve for x
    x = 395,314,272.05/19,648.98
  6. Step 6: Final answer
    x = 20,118.82

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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.