Home / 15,756.55-23,635.08-3,910.39

Finding the Fourth Proportional to 15,756.55, 23,635.08 and 3,910.39

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Solution

The fourth proportional to 15,756.55, 23,635.08 and 3,910.39 is: 5,865.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756.55 : 23,635.08 = 3,910.39 : x
  2. Step 2: Convert to fraction form
    15,756.55/23,635.08 = 3,910.39/x
  3. Step 3: Cross multiply
    15,756.55x = 23,635.08 × 3,910.39
  4. Step 4: Simplify right side
    15,756.55x = 92,422,380.48
  5. Step 5: Solve for x
    x = 92,422,380.48/15,756.55
  6. Step 6: Final answer
    x = 5,865.65

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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.