Home / 18,472.44-27,712.62-5,988.72

Finding the Fourth Proportional to 18,472.44, 27,712.62 and 5,988.72

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Solution

The fourth proportional to 18,472.44, 27,712.62 and 5,988.72 is: 8,984.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472.44 : 27,712.62 = 5,988.72 : x
  2. Step 2: Convert to fraction form
    18,472.44/27,712.62 = 5,988.72/x
  3. Step 3: Cross multiply
    18,472.44x = 27,712.62 × 5,988.72
  4. Step 4: Simplify right side
    18,472.44x = 165,963,121.65
  5. Step 5: Solve for x
    x = 165,963,121.65/18,472.44
  6. Step 6: Final answer
    x = 8,984.36

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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.