Home / 33,153.72-45,748.08-19,725.54

Finding the Fourth Proportional to 33,153.72, 45,748.08 and 19,725.54

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Solution

The fourth proportional to 33,153.72, 45,748.08 and 19,725.54 is: 27,218.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,153.72 : 45,748.08 = 19,725.54 : x
  2. Step 2: Convert to fraction form
    33,153.72/45,748.08 = 19,725.54/x
  3. Step 3: Cross multiply
    33,153.72x = 45,748.08 × 19,725.54
  4. Step 4: Simplify right side
    33,153.72x = 902,405,581.96
  5. Step 5: Solve for x
    x = 902,405,581.96/33,153.72
  6. Step 6: Final answer
    x = 27,218.83

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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.