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Finding the Fourth Proportional to 14,497.99, 20,016.87 and 11,134.80

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Solution

The fourth proportional to 14,497.99, 20,016.87 and 11,134.80 is: 15,373.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,497.99 : 20,016.87 = 11,134.80 : x
  2. Step 2: Convert to fraction form
    14,497.99/20,016.87 = 11,134.80/x
  3. Step 3: Cross multiply
    14,497.99x = 20,016.87 × 11,134.80
  4. Step 4: Simplify right side
    14,497.99x = 222,883,766.20
  5. Step 5: Solve for x
    x = 222,883,766.20/14,497.99
  6. Step 6: Final answer
    x = 15,373.42

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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.