Home / 25,918.62-38,877.68-11,874.67

Finding the Fourth Proportional to 25,918.62, 38,877.68 and 11,874.67

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Solution

The fourth proportional to 25,918.62, 38,877.68 and 11,874.67 is: 17,811.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,918.62 : 38,877.68 = 11,874.67 : x
  2. Step 2: Convert to fraction form
    25,918.62/38,877.68 = 11,874.67/x
  3. Step 3: Cross multiply
    25,918.62x = 38,877.68 × 11,874.67
  4. Step 4: Simplify right side
    25,918.62x = 461,659,366.60
  5. Step 5: Solve for x
    x = 461,659,366.60/25,918.62
  6. Step 6: Final answer
    x = 17,811.88

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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.