Home / 25,511.85-38,241.33-18,474.26

Finding the Fourth Proportional to 25,511.85, 38,241.33 and 18,474.26

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Solution

The fourth proportional to 25,511.85, 38,241.33 and 18,474.26 is: 27,692.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,511.85 : 38,241.33 = 18,474.26 : x
  2. Step 2: Convert to fraction form
    25,511.85/38,241.33 = 18,474.26/x
  3. Step 3: Cross multiply
    25,511.85x = 38,241.33 × 18,474.26
  4. Step 4: Simplify right side
    25,511.85x = 706,480,081.96
  5. Step 5: Solve for x
    x = 706,480,081.96/25,511.85
  6. Step 6: Final answer
    x = 27,692.23

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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.