Home / 24,183.20-33,406.80-18,665.12

Finding the Fourth Proportional to 24,183.20, 33,406.80 and 18,665.12

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Solution

The fourth proportional to 24,183.20, 33,406.80 and 18,665.12 is: 25,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,183.20 : 33,406.80 = 18,665.12 : x
  2. Step 2: Convert to fraction form
    24,183.20/33,406.80 = 18,665.12/x
  3. Step 3: Cross multiply
    24,183.20x = 33,406.80 × 18,665.12
  4. Step 4: Simplify right side
    24,183.20x = 623,541,930.82
  5. Step 5: Solve for x
    x = 623,541,930.82/24,183.20
  6. Step 6: Final answer
    x = 25,784.10

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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.