Home / 21,786.57-32,679.84-6,204.19

Finding the Fourth Proportional to 21,786.57, 32,679.84 and 6,204.19

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Solution

The fourth proportional to 21,786.57, 32,679.84 and 6,204.19 is: 9,306.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786.57 : 32,679.84 = 6,204.19 : x
  2. Step 2: Convert to fraction form
    21,786.57/32,679.84 = 6,204.19/x
  3. Step 3: Cross multiply
    21,786.57x = 32,679.84 × 6,204.19
  4. Step 4: Simplify right side
    21,786.57x = 202,751,936.53
  5. Step 5: Solve for x
    x = 202,751,936.53/21,786.57
  6. Step 6: Final answer
    x = 9,306.28

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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.