Home / 15,850.82-23,780.18-4,757.72

Finding the Fourth Proportional to 15,850.82, 23,780.18 and 4,757.72

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Solution

The fourth proportional to 15,850.82, 23,780.18 and 4,757.72 is: 7,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,850.82 : 23,780.18 = 4,757.72 : x
  2. Step 2: Convert to fraction form
    15,850.82/23,780.18 = 4,757.72/x
  3. Step 3: Cross multiply
    15,850.82x = 23,780.18 × 4,757.72
  4. Step 4: Simplify right side
    15,850.82x = 113,139,295.30
  5. Step 5: Solve for x
    x = 113,139,295.30/15,850.82
  6. Step 6: Final answer
    x = 7,137.76

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1.5x scale

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.