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Finding the Fourth Proportional to 14,772.60, 22,134.60 and 12,682.80

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Solution

The fourth proportional to 14,772.60, 22,134.60 and 12,682.80 is: 19,003.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.60 : 22,134.60 = 12,682.80 : x
  2. Step 2: Convert to fraction form
    14,772.60/22,134.60 = 12,682.80/x
  3. Step 3: Cross multiply
    14,772.60x = 22,134.60 × 12,682.80
  4. Step 4: Simplify right side
    14,772.60x = 280,728,704.88
  5. Step 5: Solve for x
    x = 280,728,704.88/14,772.60
  6. Step 6: Final answer
    x = 19,003.34

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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.