Home / 27,765.22-41,650.48-7,774.72

Finding the Fourth Proportional to 27,765.22, 41,650.48 and 7,774.72

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Solution

The fourth proportional to 27,765.22, 41,650.48 and 7,774.72 is: 11,662.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,765.22 : 41,650.48 = 7,774.72 : x
  2. Step 2: Convert to fraction form
    27,765.22/41,650.48 = 7,774.72/x
  3. Step 3: Cross multiply
    27,765.22x = 41,650.48 × 7,774.72
  4. Step 4: Simplify right side
    27,765.22x = 323,820,819.87
  5. Step 5: Solve for x
    x = 323,820,819.87/27,765.22
  6. Step 6: Final answer
    x = 11,662.82

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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.