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Finding the Fourth Proportional to 18,497.88, 27,697.56 and 14,454.98

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Solution

The fourth proportional to 18,497.88, 27,697.56 and 14,454.98 is: 21,643.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.88 : 27,697.56 = 14,454.98 : x
  2. Step 2: Convert to fraction form
    18,497.88/27,697.56 = 14,454.98/x
  3. Step 3: Cross multiply
    18,497.88x = 27,697.56 × 14,454.98
  4. Step 4: Simplify right side
    18,497.88x = 400,367,537.36
  5. Step 5: Solve for x
    x = 400,367,537.36/18,497.88
  6. Step 6: Final answer
    x = 21,643.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.