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Finding the Fourth Proportional to 14,961.96, 20,497.96 and 14,401.44

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Solution

The fourth proportional to 14,961.96, 20,497.96 and 14,401.44 is: 19,730.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.96 : 20,497.96 = 14,401.44 : x
  2. Step 2: Convert to fraction form
    14,961.96/20,497.96 = 14,401.44/x
  3. Step 3: Cross multiply
    14,961.96x = 20,497.96 × 14,401.44
  4. Step 4: Simplify right side
    14,961.96x = 295,200,141.06
  5. Step 5: Solve for x
    x = 295,200,141.06/14,961.96
  6. Step 6: Final answer
    x = 19,730.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.