Home / 25,103.80-37,634.10-12,791.80

Finding the Fourth Proportional to 25,103.80, 37,634.10 and 12,791.80

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Solution

The fourth proportional to 25,103.80, 37,634.10 and 12,791.80 is: 19,176.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,103.80 : 37,634.10 = 12,791.80 : x
  2. Step 2: Convert to fraction form
    25,103.80/37,634.10 = 12,791.80/x
  3. Step 3: Cross multiply
    25,103.80x = 37,634.10 × 12,791.80
  4. Step 4: Simplify right side
    25,103.80x = 481,407,880.38
  5. Step 5: Solve for x
    x = 481,407,880.38/25,103.80
  6. Step 6: Final answer
    x = 19,176.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.