Home / 25,975.62-38,968.32-8,450.46

Finding the Fourth Proportional to 25,975.62, 38,968.32 and 8,450.46

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Solution

The fourth proportional to 25,975.62, 38,968.32 and 8,450.46 is: 12,677.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,975.62 : 38,968.32 = 8,450.46 : x
  2. Step 2: Convert to fraction form
    25,975.62/38,968.32 = 8,450.46/x
  3. Step 3: Cross multiply
    25,975.62x = 38,968.32 × 8,450.46
  4. Step 4: Simplify right side
    25,975.62x = 329,300,229.43
  5. Step 5: Solve for x
    x = 329,300,229.43/25,975.62
  6. Step 6: Final answer
    x = 12,677.28

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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.