Home / 33,153.47-45,747.73-19,725.29

Finding the Fourth Proportional to 33,153.47, 45,747.73 and 19,725.29

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Solution

The fourth proportional to 33,153.47, 45,747.73 and 19,725.29 is: 27,218.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,153.47 : 45,747.73 = 19,725.29 : x
  2. Step 2: Convert to fraction form
    33,153.47/45,747.73 = 19,725.29/x
  3. Step 3: Cross multiply
    33,153.47x = 45,747.73 × 19,725.29
  4. Step 4: Simplify right side
    33,153.47x = 902,387,241.09
  5. Step 5: Solve for x
    x = 902,387,241.09/33,153.47
  6. Step 6: Final answer
    x = 27,218.49

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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.