Home / 25,149.84-37,689-18,523.92

Finding the Fourth Proportional to 25,149.84, 37,689 and 18,523.92

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Solution

The fourth proportional to 25,149.84, 37,689 and 18,523.92 is: 27,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,149.84 : 37,689 = 18,523.92 : x
  2. Step 2: Convert to fraction form
    25,149.84/37,689 = 18,523.92/x
  3. Step 3: Cross multiply
    25,149.84x = 37,689 × 18,523.92
  4. Step 4: Simplify right side
    25,149.84x = 698,148,020.88
  5. Step 5: Solve for x
    x = 698,148,020.88/25,149.84
  6. Step 6: Final answer
    x = 27,759.54

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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.