Home / 25,222.20-34,806.87-13,891.95

Finding the Fourth Proportional to 25,222.20, 34,806.87 and 13,891.95

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Solution

The fourth proportional to 25,222.20, 34,806.87 and 13,891.95 is: 19,171.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,222.20 : 34,806.87 = 13,891.95 : x
  2. Step 2: Convert to fraction form
    25,222.20/34,806.87 = 13,891.95/x
  3. Step 3: Cross multiply
    25,222.20x = 34,806.87 × 13,891.95
  4. Step 4: Simplify right side
    25,222.20x = 483,535,297.70
  5. Step 5: Solve for x
    x = 483,535,297.70/25,222.20
  6. Step 6: Final answer
    x = 19,171.02

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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.