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Finding the Fourth Proportional to 14,819.94, 20,448.10 and 8,850.44

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Solution

The fourth proportional to 14,819.94, 20,448.10 and 8,850.44 is: 12,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,819.94 : 20,448.10 = 8,850.44 : x
  2. Step 2: Convert to fraction form
    14,819.94/20,448.10 = 8,850.44/x
  3. Step 3: Cross multiply
    14,819.94x = 20,448.10 × 8,850.44
  4. Step 4: Simplify right side
    14,819.94x = 180,974,682.16
  5. Step 5: Solve for x
    x = 180,974,682.16/14,819.94
  6. Step 6: Final answer
    x = 12,211.57

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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.