Home / 22,478.91-33,706.49-11,232.51

Finding the Fourth Proportional to 22,478.91, 33,706.49 and 11,232.51

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Solution

The fourth proportional to 22,478.91, 33,706.49 and 11,232.51 is: 16,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,478.91 : 33,706.49 = 11,232.51 : x
  2. Step 2: Convert to fraction form
    22,478.91/33,706.49 = 11,232.51/x
  3. Step 3: Cross multiply
    22,478.91x = 33,706.49 × 11,232.51
  4. Step 4: Simplify right side
    22,478.91x = 378,608,429.83
  5. Step 5: Solve for x
    x = 378,608,429.83/22,478.91
  6. Step 6: Final answer
    x = 16,842.83

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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.