Home / 25,982.12-38,976.62-8,446

Finding the Fourth Proportional to 25,982.12, 38,976.62 and 8,446

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Solution

The fourth proportional to 25,982.12, 38,976.62 and 8,446 is: 12,670.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,982.12 : 38,976.62 = 8,446 : x
  2. Step 2: Convert to fraction form
    25,982.12/38,976.62 = 8,446/x
  3. Step 3: Cross multiply
    25,982.12x = 38,976.62 × 8,446
  4. Step 4: Simplify right side
    25,982.12x = 329,196,532.52
  5. Step 5: Solve for x
    x = 329,196,532.52/25,982.12
  6. Step 6: Final answer
    x = 12,670.12

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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.