Home / 25,788.49-38,682.88-11,738.69

Finding the Fourth Proportional to 25,788.49, 38,682.88 and 11,738.69

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Solution

The fourth proportional to 25,788.49, 38,682.88 and 11,738.69 is: 17,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,788.49 : 38,682.88 = 11,738.69 : x
  2. Step 2: Convert to fraction form
    25,788.49/38,682.88 = 11,738.69/x
  3. Step 3: Cross multiply
    25,788.49x = 38,682.88 × 11,738.69
  4. Step 4: Simplify right side
    25,788.49x = 454,086,277.93
  5. Step 5: Solve for x
    x = 454,086,277.93/25,788.49
  6. Step 6: Final answer
    x = 17,608.10

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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.