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Finding the Fourth Proportional to 14,893.53, 20,552.94 and 8,179.02

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Solution

The fourth proportional to 14,893.53, 20,552.94 and 8,179.02 is: 11,286.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,893.53 : 20,552.94 = 8,179.02 : x
  2. Step 2: Convert to fraction form
    14,893.53/20,552.94 = 8,179.02/x
  3. Step 3: Cross multiply
    14,893.53x = 20,552.94 × 8,179.02
  4. Step 4: Simplify right side
    14,893.53x = 168,102,907.32
  5. Step 5: Solve for x
    x = 168,102,907.32/14,893.53
  6. Step 6: Final answer
    x = 11,286.98

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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.