Home / 25,170.57-37,739.25-14,078.43

Finding the Fourth Proportional to 25,170.57, 37,739.25 and 14,078.43

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Solution

The fourth proportional to 25,170.57, 37,739.25 and 14,078.43 is: 21,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,170.57 : 37,739.25 = 14,078.43 : x
  2. Step 2: Convert to fraction form
    25,170.57/37,739.25 = 14,078.43/x
  3. Step 3: Cross multiply
    25,170.57x = 37,739.25 × 14,078.43
  4. Step 4: Simplify right side
    25,170.57x = 531,309,389.38
  5. Step 5: Solve for x
    x = 531,309,389.38/25,170.57
  6. Step 6: Final answer
    x = 21,108.36

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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.