Home / 18,367.10-27,540.30-8,494.16

Finding the Fourth Proportional to 18,367.10, 27,540.30 and 8,494.16

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Solution

The fourth proportional to 18,367.10, 27,540.30 and 8,494.16 is: 12,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367.10 : 27,540.30 = 8,494.16 : x
  2. Step 2: Convert to fraction form
    18,367.10/27,540.30 = 8,494.16/x
  3. Step 3: Cross multiply
    18,367.10x = 27,540.30 × 8,494.16
  4. Step 4: Simplify right side
    18,367.10x = 233,931,714.65
  5. Step 5: Solve for x
    x = 233,931,714.65/18,367.10
  6. Step 6: Final answer
    x = 12,736.45

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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.