Home / 27,163.96-40,751.40-9,635.15

Finding the Fourth Proportional to 27,163.96, 40,751.40 and 9,635.15

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Solution

The fourth proportional to 27,163.96, 40,751.40 and 9,635.15 is: 14,454.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,163.96 : 40,751.40 = 9,635.15 : x
  2. Step 2: Convert to fraction form
    27,163.96/40,751.40 = 9,635.15/x
  3. Step 3: Cross multiply
    27,163.96x = 40,751.40 × 9,635.15
  4. Step 4: Simplify right side
    27,163.96x = 392,645,989.72
  5. Step 5: Solve for x
    x = 392,645,989.72/27,163.96
  6. Step 6: Final answer
    x = 14,454.67

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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.