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Finding the Fourth Proportional to 18,163.59, 25,076.94 and 14,401.95

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Solution

The fourth proportional to 18,163.59, 25,076.94 and 14,401.95 is: 19,883.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.59 : 25,076.94 = 14,401.95 : x
  2. Step 2: Convert to fraction form
    18,163.59/25,076.94 = 14,401.95/x
  3. Step 3: Cross multiply
    18,163.59x = 25,076.94 × 14,401.95
  4. Step 4: Simplify right side
    18,163.59x = 361,156,764.02
  5. Step 5: Solve for x
    x = 361,156,764.02/18,163.59
  6. Step 6: Final answer
    x = 19,883.56

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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.