Home / 25,880.26-38,784.62-11,805.97

Finding the Fourth Proportional to 25,880.26, 38,784.62 and 11,805.97

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Solution

The fourth proportional to 25,880.26, 38,784.62 and 11,805.97 is: 17,692.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,880.26 : 38,784.62 = 11,805.97 : x
  2. Step 2: Convert to fraction form
    25,880.26/38,784.62 = 11,805.97/x
  3. Step 3: Cross multiply
    25,880.26x = 38,784.62 × 11,805.97
  4. Step 4: Simplify right side
    25,880.26x = 457,890,001.15
  5. Step 5: Solve for x
    x = 457,890,001.15/25,880.26
  6. Step 6: Final answer
    x = 17,692.64

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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.