Home / 27,880.93-41,819.37-9,160.75

Finding the Fourth Proportional to 27,880.93, 41,819.37 and 9,160.75

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Solution

The fourth proportional to 27,880.93, 41,819.37 and 9,160.75 is: 13,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.93 : 41,819.37 = 9,160.75 : x
  2. Step 2: Convert to fraction form
    27,880.93/41,819.37 = 9,160.75/x
  3. Step 3: Cross multiply
    27,880.93x = 41,819.37 × 9,160.75
  4. Step 4: Simplify right side
    27,880.93x = 383,096,793.73
  5. Step 5: Solve for x
    x = 383,096,793.73/27,880.93
  6. Step 6: Final answer
    x = 13,740.46

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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.