Home / 13,936.05-19,220.49-12,253.95

Finding the Fourth Proportional to 13,936.05, 19,220.49 and 12,253.95

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Solution

The fourth proportional to 13,936.05, 19,220.49 and 12,253.95 is: 16,900.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.05 : 19,220.49 = 12,253.95 : x
  2. Step 2: Convert to fraction form
    13,936.05/19,220.49 = 12,253.95/x
  3. Step 3: Cross multiply
    13,936.05x = 19,220.49 × 12,253.95
  4. Step 4: Simplify right side
    13,936.05x = 235,526,923.44
  5. Step 5: Solve for x
    x = 235,526,923.44/13,936.05
  6. Step 6: Final answer
    x = 16,900.55

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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.