Home / 32,721.56-45,154.49-19,996.03

Finding the Fourth Proportional to 32,721.56, 45,154.49 and 19,996.03

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Solution

The fourth proportional to 32,721.56, 45,154.49 and 19,996.03 is: 27,593.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,721.56 : 45,154.49 = 19,996.03 : x
  2. Step 2: Convert to fraction form
    32,721.56/45,154.49 = 19,996.03/x
  3. Step 3: Cross multiply
    32,721.56x = 45,154.49 × 19,996.03
  4. Step 4: Simplify right side
    32,721.56x = 902,910,473.78
  5. Step 5: Solve for x
    x = 902,910,473.78/32,721.56
  6. Step 6: Final answer
    x = 27,593.75

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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.