Home / 18,195.12-27,297.45-5,714.64

Finding the Fourth Proportional to 18,195.12, 27,297.45 and 5,714.64

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Solution

The fourth proportional to 18,195.12, 27,297.45 and 5,714.64 is: 8,573.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.12 : 27,297.45 = 5,714.64 : x
  2. Step 2: Convert to fraction form
    18,195.12/27,297.45 = 5,714.64/x
  3. Step 3: Cross multiply
    18,195.12x = 27,297.45 × 5,714.64
  4. Step 4: Simplify right side
    18,195.12x = 155,995,099.67
  5. Step 5: Solve for x
    x = 155,995,099.67/18,195.12
  6. Step 6: Final answer
    x = 8,573.46

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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.