Home / 18,981.20-26,192.68-10,481.96

Finding the Fourth Proportional to 18,981.20, 26,192.68 and 10,481.96

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Solution

The fourth proportional to 18,981.20, 26,192.68 and 10,481.96 is: 14,464.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981.20 : 26,192.68 = 10,481.96 : x
  2. Step 2: Convert to fraction form
    18,981.20/26,192.68 = 10,481.96/x
  3. Step 3: Cross multiply
    18,981.20x = 26,192.68 × 10,481.96
  4. Step 4: Simplify right side
    18,981.20x = 274,550,624.05
  5. Step 5: Solve for x
    x = 274,550,624.05/18,981.20
  6. Step 6: Final answer
    x = 14,464.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.