Home / 13,949.14-19,240.77-8,914.90

Finding the Fourth Proportional to 13,949.14, 19,240.77 and 8,914.90

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Solution

The fourth proportional to 13,949.14, 19,240.77 and 8,914.90 is: 12,296.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.14 : 19,240.77 = 8,914.90 : x
  2. Step 2: Convert to fraction form
    13,949.14/19,240.77 = 8,914.90/x
  3. Step 3: Cross multiply
    13,949.14x = 19,240.77 × 8,914.90
  4. Step 4: Simplify right side
    13,949.14x = 171,529,540.47
  5. Step 5: Solve for x
    x = 171,529,540.47/13,949.14
  6. Step 6: Final answer
    x = 12,296.78

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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.