Home / 22,125.91-33,112.32-21,207.37

Finding the Fourth Proportional to 22,125.91, 33,112.32 and 21,207.37

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Solution

The fourth proportional to 22,125.91, 33,112.32 and 21,207.37 is: 31,737.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,125.91 : 33,112.32 = 21,207.37 : x
  2. Step 2: Convert to fraction form
    22,125.91/33,112.32 = 21,207.37/x
  3. Step 3: Cross multiply
    22,125.91x = 33,112.32 × 21,207.37
  4. Step 4: Simplify right side
    22,125.91x = 702,225,221.80
  5. Step 5: Solve for x
    x = 702,225,221.80/22,125.91
  6. Step 6: Final answer
    x = 31,737.69

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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.