Home / 18,324.27-27,467.28-8,470.05

Finding the Fourth Proportional to 18,324.27, 27,467.28 and 8,470.05

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Solution

The fourth proportional to 18,324.27, 27,467.28 and 8,470.05 is: 12,696.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324.27 : 27,467.28 = 8,470.05 : x
  2. Step 2: Convert to fraction form
    18,324.27/27,467.28 = 8,470.05/x
  3. Step 3: Cross multiply
    18,324.27x = 27,467.28 × 8,470.05
  4. Step 4: Simplify right side
    18,324.27x = 232,649,234.96
  5. Step 5: Solve for x
    x = 232,649,234.96/18,324.27
  6. Step 6: Final answer
    x = 12,696.23

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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.