Home / 13,691.30-20,524.46-4,924.19

Finding the Fourth Proportional to 13,691.30, 20,524.46 and 4,924.19

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Solution

The fourth proportional to 13,691.30, 20,524.46 and 4,924.19 is: 7,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,691.30 : 20,524.46 = 4,924.19 : x
  2. Step 2: Convert to fraction form
    13,691.30/20,524.46 = 4,924.19/x
  3. Step 3: Cross multiply
    13,691.30x = 20,524.46 × 4,924.19
  4. Step 4: Simplify right side
    13,691.30x = 101,066,367.38
  5. Step 5: Solve for x
    x = 101,066,367.38/13,691.30
  6. Step 6: Final answer
    x = 7,381.80

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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.