Home / 27,080.72-40,627.73-9,311.64

Finding the Fourth Proportional to 27,080.72, 40,627.73 and 9,311.64

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Solution

The fourth proportional to 27,080.72, 40,627.73 and 9,311.64 is: 13,969.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,080.72 : 40,627.73 = 9,311.64 : x
  2. Step 2: Convert to fraction form
    27,080.72/40,627.73 = 9,311.64/x
  3. Step 3: Cross multiply
    27,080.72x = 40,627.73 × 9,311.64
  4. Step 4: Simplify right side
    27,080.72x = 378,310,795.78
  5. Step 5: Solve for x
    x = 378,310,795.78/27,080.72
  6. Step 6: Final answer
    x = 13,969.75

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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.