Home / 18,324.24-27,492.20-8,191.06

Finding the Fourth Proportional to 18,324.24, 27,492.20 and 8,191.06

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Solution

The fourth proportional to 18,324.24, 27,492.20 and 8,191.06 is: 12,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324.24 : 27,492.20 = 8,191.06 : x
  2. Step 2: Convert to fraction form
    18,324.24/27,492.20 = 8,191.06/x
  3. Step 3: Cross multiply
    18,324.24x = 27,492.20 × 8,191.06
  4. Step 4: Simplify right side
    18,324.24x = 225,190,166.88
  5. Step 5: Solve for x
    x = 225,190,166.88/18,324.24
  6. Step 6: Final answer
    x = 12,289.20

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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.