Home / 25,580.39-38,375.79-10,789.36

Finding the Fourth Proportional to 25,580.39, 38,375.79 and 10,789.36

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Solution

The fourth proportional to 25,580.39, 38,375.79 and 10,789.36 is: 16,186.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,580.39 : 38,375.79 = 10,789.36 : x
  2. Step 2: Convert to fraction form
    25,580.39/38,375.79 = 10,789.36/x
  3. Step 3: Cross multiply
    25,580.39x = 38,375.79 × 10,789.36
  4. Step 4: Simplify right side
    25,580.39x = 414,050,213.59
  5. Step 5: Solve for x
    x = 414,050,213.59/25,580.39
  6. Step 6: Final answer
    x = 16,186.24

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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.