Home / 25,722.84-38,588.56-8,198.04

Finding the Fourth Proportional to 25,722.84, 38,588.56 and 8,198.04

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Solution

The fourth proportional to 25,722.84, 38,588.56 and 8,198.04 is: 12,298.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,722.84 : 38,588.56 = 8,198.04 : x
  2. Step 2: Convert to fraction form
    25,722.84/38,588.56 = 8,198.04/x
  3. Step 3: Cross multiply
    25,722.84x = 38,588.56 × 8,198.04
  4. Step 4: Simplify right side
    25,722.84x = 316,350,558.42
  5. Step 5: Solve for x
    x = 316,350,558.42/25,722.84
  6. Step 6: Final answer
    x = 12,298.43

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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.