Home / 19,725.35-27,223.34-11,229.53

Finding the Fourth Proportional to 19,725.35, 27,223.34 and 11,229.53

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Solution

The fourth proportional to 19,725.35, 27,223.34 and 11,229.53 is: 15,498.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.35 : 27,223.34 = 11,229.53 : x
  2. Step 2: Convert to fraction form
    19,725.35/27,223.34 = 11,229.53/x
  3. Step 3: Cross multiply
    19,725.35x = 27,223.34 × 11,229.53
  4. Step 4: Simplify right side
    19,725.35x = 305,705,120.97
  5. Step 5: Solve for x
    x = 305,705,120.97/19,725.35
  6. Step 6: Final answer
    x = 15,498.09

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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.