Home / 24,871.20-34,321.60-13,540.45

Finding the Fourth Proportional to 24,871.20, 34,321.60 and 13,540.45

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Solution

The fourth proportional to 24,871.20, 34,321.60 and 13,540.45 is: 18,685.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,871.20 : 34,321.60 = 13,540.45 : x
  2. Step 2: Convert to fraction form
    24,871.20/34,321.60 = 13,540.45/x
  3. Step 3: Cross multiply
    24,871.20x = 34,321.60 × 13,540.45
  4. Step 4: Simplify right side
    24,871.20x = 464,729,933.70
  5. Step 5: Solve for x
    x = 464,729,933.70/24,871.20
  6. Step 6: Final answer
    x = 18,685.46

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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.