Home / 25,433.18-38,138.97-13,743.26

Finding the Fourth Proportional to 25,433.18, 38,138.97 and 13,743.26

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Solution

The fourth proportional to 25,433.18, 38,138.97 and 13,743.26 is: 20,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,433.18 : 38,138.97 = 13,743.26 : x
  2. Step 2: Convert to fraction form
    25,433.18/38,138.97 = 13,743.26/x
  3. Step 3: Cross multiply
    25,433.18x = 38,138.97 × 13,743.26
  4. Step 4: Simplify right side
    25,433.18x = 524,153,780.84
  5. Step 5: Solve for x
    x = 524,153,780.84/25,433.18
  6. Step 6: Final answer
    x = 20,609.05

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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.