Home / 18,175.66-27,256.52-7,080.90

Finding the Fourth Proportional to 18,175.66, 27,256.52 and 7,080.90

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Solution

The fourth proportional to 18,175.66, 27,256.52 and 7,080.90 is: 10,618.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175.66 : 27,256.52 = 7,080.90 : x
  2. Step 2: Convert to fraction form
    18,175.66/27,256.52 = 7,080.90/x
  3. Step 3: Cross multiply
    18,175.66x = 27,256.52 × 7,080.90
  4. Step 4: Simplify right side
    18,175.66x = 193,000,692.47
  5. Step 5: Solve for x
    x = 193,000,692.47/18,175.66
  6. Step 6: Final answer
    x = 10,618.63

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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.