Home / 27,880.21-41,825.45-9,161.29

Finding the Fourth Proportional to 27,880.21, 41,825.45 and 9,161.29

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Solution

The fourth proportional to 27,880.21, 41,825.45 and 9,161.29 is: 13,743.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.21 : 41,825.45 = 9,161.29 : x
  2. Step 2: Convert to fraction form
    27,880.21/41,825.45 = 9,161.29/x
  3. Step 3: Cross multiply
    27,880.21x = 41,825.45 × 9,161.29
  4. Step 4: Simplify right side
    27,880.21x = 383,175,076.83
  5. Step 5: Solve for x
    x = 383,175,076.83/27,880.21
  6. Step 6: Final answer
    x = 13,743.62

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1.5x scale

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.