Home / 25,996.48-38,974.84-21,540.46

Finding the Fourth Proportional to 25,996.48, 38,974.84 and 21,540.46

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Solution

The fourth proportional to 25,996.48, 38,974.84 and 21,540.46 is: 32,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,996.48 : 38,974.84 = 21,540.46 : x
  2. Step 2: Convert to fraction form
    25,996.48/38,974.84 = 21,540.46/x
  3. Step 3: Cross multiply
    25,996.48x = 38,974.84 × 21,540.46
  4. Step 4: Simplify right side
    25,996.48x = 839,535,982.03
  5. Step 5: Solve for x
    x = 839,535,982.03/25,996.48
  6. Step 6: Final answer
    x = 32,294.22

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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.