Home / 22,186.71-33,331.70-20,992.37

Finding the Fourth Proportional to 22,186.71, 33,331.70 and 20,992.37

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Solution

The fourth proportional to 22,186.71, 33,331.70 and 20,992.37 is: 31,537.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,186.71 : 33,331.70 = 20,992.37 : x
  2. Step 2: Convert to fraction form
    22,186.71/33,331.70 = 20,992.37/x
  3. Step 3: Cross multiply
    22,186.71x = 33,331.70 × 20,992.37
  4. Step 4: Simplify right side
    22,186.71x = 699,711,264.95
  5. Step 5: Solve for x
    x = 699,711,264.95/22,186.71
  6. Step 6: Final answer
    x = 31,537.41

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1.5x scale

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.