Home / 25,520.46-38,291.67-8,871.43

Finding the Fourth Proportional to 25,520.46, 38,291.67 and 8,871.43

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Solution

The fourth proportional to 25,520.46, 38,291.67 and 8,871.43 is: 13,310.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,520.46 : 38,291.67 = 8,871.43 : x
  2. Step 2: Convert to fraction form
    25,520.46/38,291.67 = 8,871.43/x
  3. Step 3: Cross multiply
    25,520.46x = 38,291.67 × 8,871.43
  4. Step 4: Simplify right side
    25,520.46x = 339,701,774.26
  5. Step 5: Solve for x
    x = 339,701,774.26/25,520.46
  6. Step 6: Final answer
    x = 13,310.96

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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.