Home / 24,380.78-33,621.48-14,821.97

Finding the Fourth Proportional to 24,380.78, 33,621.48 and 14,821.97

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Solution

The fourth proportional to 24,380.78, 33,621.48 and 14,821.97 is: 20,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,380.78 : 33,621.48 = 14,821.97 : x
  2. Step 2: Convert to fraction form
    24,380.78/33,621.48 = 14,821.97/x
  3. Step 3: Cross multiply
    24,380.78x = 33,621.48 × 14,821.97
  4. Step 4: Simplify right side
    24,380.78x = 498,336,399.81
  5. Step 5: Solve for x
    x = 498,336,399.81/24,380.78
  6. Step 6: Final answer
    x = 20,439.73

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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.