Home / 20,712.16-31,073.17-6,673.51

Finding the Fourth Proportional to 20,712.16, 31,073.17 and 6,673.51

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Solution

The fourth proportional to 20,712.16, 31,073.17 and 6,673.51 is: 10,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,712.16 : 31,073.17 = 6,673.51 : x
  2. Step 2: Convert to fraction form
    20,712.16/31,073.17 = 6,673.51/x
  3. Step 3: Cross multiply
    20,712.16x = 31,073.17 × 6,673.51
  4. Step 4: Simplify right side
    20,712.16x = 207,367,110.73
  5. Step 5: Solve for x
    x = 207,367,110.73/20,712.16
  6. Step 6: Final answer
    x = 10,011.85

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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.