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Finding the Fourth Proportional to 18,497.98, 27,807.12 and 14,840.22

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Solution

The fourth proportional to 18,497.98, 27,807.12 and 14,840.22 is: 22,308.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.98 : 27,807.12 = 14,840.22 : x
  2. Step 2: Convert to fraction form
    18,497.98/27,807.12 = 14,840.22/x
  3. Step 3: Cross multiply
    18,497.98x = 27,807.12 × 14,840.22
  4. Step 4: Simplify right side
    18,497.98x = 412,663,778.37
  5. Step 5: Solve for x
    x = 412,663,778.37/18,497.98
  6. Step 6: Final answer
    x = 22,308.59

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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.