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Finding the Fourth Proportional to 14,772.97, 20,396.97 and 11,952.86

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Solution

The fourth proportional to 14,772.97, 20,396.97 and 11,952.86 is: 16,503.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.97 : 20,396.97 = 11,952.86 : x
  2. Step 2: Convert to fraction form
    14,772.97/20,396.97 = 11,952.86/x
  3. Step 3: Cross multiply
    14,772.97x = 20,396.97 × 11,952.86
  4. Step 4: Simplify right side
    14,772.97x = 243,802,024.85
  5. Step 5: Solve for x
    x = 243,802,024.85/14,772.97
  6. Step 6: Final answer
    x = 16,503.25

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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.