Home / 18,455.41-27,687.51-5,975.44

Finding the Fourth Proportional to 18,455.41, 27,687.51 and 5,975.44

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Solution

The fourth proportional to 18,455.41, 27,687.51 and 5,975.44 is: 8,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.41 : 27,687.51 = 5,975.44 : x
  2. Step 2: Convert to fraction form
    18,455.41/27,687.51 = 5,975.44/x
  3. Step 3: Cross multiply
    18,455.41x = 27,687.51 × 5,975.44
  4. Step 4: Simplify right side
    18,455.41x = 165,444,959.20
  5. Step 5: Solve for x
    x = 165,444,959.20/18,455.41
  6. Step 6: Final answer
    x = 8,964.58

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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.