Home / 22,712.22-34,073.81-7,129.84

Finding the Fourth Proportional to 22,712.22, 34,073.81 and 7,129.84

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Solution

The fourth proportional to 22,712.22, 34,073.81 and 7,129.84 is: 10,696.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712.22 : 34,073.81 = 7,129.84 : x
  2. Step 2: Convert to fraction form
    22,712.22/34,073.81 = 7,129.84/x
  3. Step 3: Cross multiply
    22,712.22x = 34,073.81 × 7,129.84
  4. Step 4: Simplify right side
    22,712.22x = 242,940,813.49
  5. Step 5: Solve for x
    x = 242,940,813.49/22,712.22
  6. Step 6: Final answer
    x = 10,696.48

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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.