Home / 18,490.30-27,733.62-10,167.55

Finding the Fourth Proportional to 18,490.30, 27,733.62 and 10,167.55

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Solution

The fourth proportional to 18,490.30, 27,733.62 and 10,167.55 is: 15,250.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.30 : 27,733.62 = 10,167.55 : x
  2. Step 2: Convert to fraction form
    18,490.30/27,733.62 = 10,167.55/x
  3. Step 3: Cross multiply
    18,490.30x = 27,733.62 × 10,167.55
  4. Step 4: Simplify right side
    18,490.30x = 281,982,968.03
  5. Step 5: Solve for x
    x = 281,982,968.03/18,490.30
  6. Step 6: Final answer
    x = 15,250.32

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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.