Home / 22,682.82-31,301.67-12,611.22

Finding the Fourth Proportional to 22,682.82, 31,301.67 and 12,611.22

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Solution

The fourth proportional to 22,682.82, 31,301.67 and 12,611.22 is: 17,403.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,682.82 : 31,301.67 = 12,611.22 : x
  2. Step 2: Convert to fraction form
    22,682.82/31,301.67 = 12,611.22/x
  3. Step 3: Cross multiply
    22,682.82x = 31,301.67 × 12,611.22
  4. Step 4: Simplify right side
    22,682.82x = 394,752,246.74
  5. Step 5: Solve for x
    x = 394,752,246.74/22,682.82
  6. Step 6: Final answer
    x = 17,403.14

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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.