Home / 22,744.80-31,388.34-12,673.92

Finding the Fourth Proportional to 22,744.80, 31,388.34 and 12,673.92

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Solution

The fourth proportional to 22,744.80, 31,388.34 and 12,673.92 is: 17,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,744.80 : 31,388.34 = 12,673.92 : x
  2. Step 2: Convert to fraction form
    22,744.80/31,388.34 = 12,673.92/x
  3. Step 3: Cross multiply
    22,744.80x = 31,388.34 × 12,673.92
  4. Step 4: Simplify right side
    22,744.80x = 397,813,310.09
  5. Step 5: Solve for x
    x = 397,813,310.09/22,744.80
  6. Step 6: Final answer
    x = 17,490.30

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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.