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Finding the Fourth Proportional to 14,481.99, 19,994.18 and 9,952.47

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Solution

The fourth proportional to 14,481.99, 19,994.18 and 9,952.47 is: 13,740.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,481.99 : 19,994.18 = 9,952.47 : x
  2. Step 2: Convert to fraction form
    14,481.99/19,994.18 = 9,952.47/x
  3. Step 3: Cross multiply
    14,481.99x = 19,994.18 × 9,952.47
  4. Step 4: Simplify right side
    14,481.99x = 198,991,426.86
  5. Step 5: Solve for x
    x = 198,991,426.86/14,481.99
  6. Step 6: Final answer
    x = 13,740.61

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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.