Home / 15,083.35-22,615.90-6,761.82

Finding the Fourth Proportional to 15,083.35, 22,615.90 and 6,761.82

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Solution

The fourth proportional to 15,083.35, 22,615.90 and 6,761.82 is: 10,138.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,083.35 : 22,615.90 = 6,761.82 : x
  2. Step 2: Convert to fraction form
    15,083.35/22,615.90 = 6,761.82/x
  3. Step 3: Cross multiply
    15,083.35x = 22,615.90 × 6,761.82
  4. Step 4: Simplify right side
    15,083.35x = 152,924,644.94
  5. Step 5: Solve for x
    x = 152,924,644.94/15,083.35
  6. Step 6: Final answer
    x = 10,138.64

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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.