Home / 25,442.62-38,170.44-7,912.60

Finding the Fourth Proportional to 25,442.62, 38,170.44 and 7,912.60

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Solution

The fourth proportional to 25,442.62, 38,170.44 and 7,912.60 is: 11,870.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,442.62 : 38,170.44 = 7,912.60 : x
  2. Step 2: Convert to fraction form
    25,442.62/38,170.44 = 7,912.60/x
  3. Step 3: Cross multiply
    25,442.62x = 38,170.44 × 7,912.60
  4. Step 4: Simplify right side
    25,442.62x = 302,027,423.54
  5. Step 5: Solve for x
    x = 302,027,423.54/25,442.62
  6. Step 6: Final answer
    x = 11,870.92

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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.