Home / 25,351.26-38,043.30-11,319.84

Finding the Fourth Proportional to 25,351.26, 38,043.30 and 11,319.84

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Solution

The fourth proportional to 25,351.26, 38,043.30 and 11,319.84 is: 16,987.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,351.26 : 38,043.30 = 11,319.84 : x
  2. Step 2: Convert to fraction form
    25,351.26/38,043.30 = 11,319.84/x
  3. Step 3: Cross multiply
    25,351.26x = 38,043.30 × 11,319.84
  4. Step 4: Simplify right side
    25,351.26x = 430,644,069.07
  5. Step 5: Solve for x
    x = 430,644,069.07/25,351.26
  6. Step 6: Final answer
    x = 16,987.09

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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.