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Finding the Fourth Proportional to 19,993.43, 29,927.25 and 13,716.74

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Solution

The fourth proportional to 19,993.43, 29,927.25 and 13,716.74 is: 20,531.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,993.43 : 29,927.25 = 13,716.74 : x
  2. Step 2: Convert to fraction form
    19,993.43/29,927.25 = 13,716.74/x
  3. Step 3: Cross multiply
    19,993.43x = 29,927.25 × 13,716.74
  4. Step 4: Simplify right side
    19,993.43x = 410,504,088.95
  5. Step 5: Solve for x
    x = 410,504,088.95/19,993.43
  6. Step 6: Final answer
    x = 20,531.95

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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.