Home / 24,481.80-33,777.64-13,871.20

Finding the Fourth Proportional to 24,481.80, 33,777.64 and 13,871.20

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Solution

The fourth proportional to 24,481.80, 33,777.64 and 13,871.20 is: 19,138.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,481.80 : 33,777.64 = 13,871.20 : x
  2. Step 2: Convert to fraction form
    24,481.80/33,777.64 = 13,871.20/x
  3. Step 3: Cross multiply
    24,481.80x = 33,777.64 × 13,871.20
  4. Step 4: Simplify right side
    24,481.80x = 468,536,399.97
  5. Step 5: Solve for x
    x = 468,536,399.97/24,481.80
  6. Step 6: Final answer
    x = 19,138.15

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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.