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Finding the Fourth Proportional to 14,994.96, 20,694.80 and 12,472.62

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Solution

The fourth proportional to 14,994.96, 20,694.80 and 12,472.62 is: 17,213.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,994.96 : 20,694.80 = 12,472.62 : x
  2. Step 2: Convert to fraction form
    14,994.96/20,694.80 = 12,472.62/x
  3. Step 3: Cross multiply
    14,994.96x = 20,694.80 × 12,472.62
  4. Step 4: Simplify right side
    14,994.96x = 258,118,376.38
  5. Step 5: Solve for x
    x = 258,118,376.38/14,994.96
  6. Step 6: Final answer
    x = 17,213.68

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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.