Home / 25,912.20-38,849.60-10,103.84

Finding the Fourth Proportional to 25,912.20, 38,849.60 and 10,103.84

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Solution

The fourth proportional to 25,912.20, 38,849.60 and 10,103.84 is: 15,148.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,912.20 : 38,849.60 = 10,103.84 : x
  2. Step 2: Convert to fraction form
    25,912.20/38,849.60 = 10,103.84/x
  3. Step 3: Cross multiply
    25,912.20x = 38,849.60 × 10,103.84
  4. Step 4: Simplify right side
    25,912.20x = 392,529,897.70
  5. Step 5: Solve for x
    x = 392,529,897.70/25,912.20
  6. Step 6: Final answer
    x = 15,148.46

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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.