Home / 18,736.20-25,855.52-10,237.95

Finding the Fourth Proportional to 18,736.20, 25,855.52 and 10,237.95

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Solution

The fourth proportional to 18,736.20, 25,855.52 and 10,237.95 is: 14,128.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.20 : 25,855.52 = 10,237.95 : x
  2. Step 2: Convert to fraction form
    18,736.20/25,855.52 = 10,237.95/x
  3. Step 3: Cross multiply
    18,736.20x = 25,855.52 × 10,237.95
  4. Step 4: Simplify right side
    18,736.20x = 264,707,469.79
  5. Step 5: Solve for x
    x = 264,707,469.79/18,736.20
  6. Step 6: Final answer
    x = 14,128.13

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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.