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Finding the Fourth Proportional to 14,017.96, 20,964.96 and 12,468.84

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Solution

The fourth proportional to 14,017.96, 20,964.96 and 12,468.84 is: 18,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017.96 : 20,964.96 = 12,468.84 : x
  2. Step 2: Convert to fraction form
    14,017.96/20,964.96 = 12,468.84/x
  3. Step 3: Cross multiply
    14,017.96x = 20,964.96 × 12,468.84
  4. Step 4: Simplify right side
    14,017.96x = 261,408,731.85
  5. Step 5: Solve for x
    x = 261,408,731.85/14,017.96
  6. Step 6: Final answer
    x = 18,648.13

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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.