Home / 25,583.10-38,348.25-13,871.58

Finding the Fourth Proportional to 25,583.10, 38,348.25 and 13,871.58

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Solution

The fourth proportional to 25,583.10, 38,348.25 and 13,871.58 is: 20,793.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,583.10 : 38,348.25 = 13,871.58 : x
  2. Step 2: Convert to fraction form
    25,583.10/38,348.25 = 13,871.58/x
  3. Step 3: Cross multiply
    25,583.10x = 38,348.25 × 13,871.58
  4. Step 4: Simplify right side
    25,583.10x = 531,950,817.74
  5. Step 5: Solve for x
    x = 531,950,817.74/25,583.10
  6. Step 6: Final answer
    x = 20,793.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.