Home / 18,826.20-25,996.68-11,764.68

Finding the Fourth Proportional to 18,826.20, 25,996.68 and 11,764.68

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Solution

The fourth proportional to 18,826.20, 25,996.68 and 11,764.68 is: 16,245.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.20 : 25,996.68 = 11,764.68 : x
  2. Step 2: Convert to fraction form
    18,826.20/25,996.68 = 11,764.68/x
  3. Step 3: Cross multiply
    18,826.20x = 25,996.68 × 11,764.68
  4. Step 4: Simplify right side
    18,826.20x = 305,842,621.26
  5. Step 5: Solve for x
    x = 305,842,621.26/18,826.20
  6. Step 6: Final answer
    x = 16,245.58

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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.