Home / 22,982.11-31,716.29-12,910.36

Finding the Fourth Proportional to 22,982.11, 31,716.29 and 12,910.36

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Solution

The fourth proportional to 22,982.11, 31,716.29 and 12,910.36 is: 17,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,982.11 : 31,716.29 = 12,910.36 : x
  2. Step 2: Convert to fraction form
    22,982.11/31,716.29 = 12,910.36/x
  3. Step 3: Cross multiply
    22,982.11x = 31,716.29 × 12,910.36
  4. Step 4: Simplify right side
    22,982.11x = 409,468,721.76
  5. Step 5: Solve for x
    x = 409,468,721.76/22,982.11
  6. Step 6: Final answer
    x = 17,816.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.