Home / 25,091.88-37,643.56-8,451.48

Finding the Fourth Proportional to 25,091.88, 37,643.56 and 8,451.48

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Solution

The fourth proportional to 25,091.88, 37,643.56 and 8,451.48 is: 12,679.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,091.88 : 37,643.56 = 8,451.48 : x
  2. Step 2: Convert to fraction form
    25,091.88/37,643.56 = 8,451.48/x
  3. Step 3: Cross multiply
    25,091.88x = 37,643.56 × 8,451.48
  4. Step 4: Simplify right side
    25,091.88x = 318,143,794.47
  5. Step 5: Solve for x
    x = 318,143,794.47/25,091.88
  6. Step 6: Final answer
    x = 12,679.15

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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.