Home / 25,984.70-38,984.34-11,949.02

Finding the Fourth Proportional to 25,984.70, 38,984.34 and 11,949.02

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Solution

The fourth proportional to 25,984.70, 38,984.34 and 11,949.02 is: 17,926.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,984.70 : 38,984.34 = 11,949.02 : x
  2. Step 2: Convert to fraction form
    25,984.70/38,984.34 = 11,949.02/x
  3. Step 3: Cross multiply
    25,984.70x = 38,984.34 × 11,949.02
  4. Step 4: Simplify right side
    25,984.70x = 465,824,800.62
  5. Step 5: Solve for x
    x = 465,824,800.62/25,984.70
  6. Step 6: Final answer
    x = 17,926.89

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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.