Home / 13,906.74-19,180.14-12,224.57

Finding the Fourth Proportional to 13,906.74, 19,180.14 and 12,224.57

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Solution

The fourth proportional to 13,906.74, 19,180.14 and 12,224.57 is: 16,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.74 : 19,180.14 = 12,224.57 : x
  2. Step 2: Convert to fraction form
    13,906.74/19,180.14 = 12,224.57/x
  3. Step 3: Cross multiply
    13,906.74x = 19,180.14 × 12,224.57
  4. Step 4: Simplify right side
    13,906.74x = 234,468,998.95
  5. Step 5: Solve for x
    x = 234,468,998.95/13,906.74
  6. Step 6: Final answer
    x = 16,860.10

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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.