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Finding the Fourth Proportional to 14,334.75, 19,791.50 and 10,994.99

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Solution

The fourth proportional to 14,334.75, 19,791.50 and 10,994.99 is: 15,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,334.75 : 19,791.50 = 10,994.99 : x
  2. Step 2: Convert to fraction form
    14,334.75/19,791.50 = 10,994.99/x
  3. Step 3: Cross multiply
    14,334.75x = 19,791.50 × 10,994.99
  4. Step 4: Simplify right side
    14,334.75x = 217,607,190.65
  5. Step 5: Solve for x
    x = 217,607,190.65/14,334.75
  6. Step 6: Final answer
    x = 15,180.40

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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.