Home / 22,611.14-31,201.44-13,180.58

Finding the Fourth Proportional to 22,611.14, 31,201.44 and 13,180.58

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Solution

The fourth proportional to 22,611.14, 31,201.44 and 13,180.58 is: 18,188.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,611.14 : 31,201.44 = 13,180.58 : x
  2. Step 2: Convert to fraction form
    22,611.14/31,201.44 = 13,180.58/x
  3. Step 3: Cross multiply
    22,611.14x = 31,201.44 × 13,180.58
  4. Step 4: Simplify right side
    22,611.14x = 411,253,076.04
  5. Step 5: Solve for x
    x = 411,253,076.04/22,611.14
  6. Step 6: Final answer
    x = 18,188.07

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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.