Home / 15,163.22-22,749.42-7,772.91

Finding the Fourth Proportional to 15,163.22, 22,749.42 and 7,772.91

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Solution

The fourth proportional to 15,163.22, 22,749.42 and 7,772.91 is: 11,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,163.22 : 22,749.42 = 7,772.91 : x
  2. Step 2: Convert to fraction form
    15,163.22/22,749.42 = 7,772.91/x
  3. Step 3: Cross multiply
    15,163.22x = 22,749.42 × 7,772.91
  4. Step 4: Simplify right side
    15,163.22x = 176,829,194.21
  5. Step 5: Solve for x
    x = 176,829,194.21/15,163.22
  6. Step 6: Final answer
    x = 11,661.72

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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.