Home / 13,723.41-20,586.34-5,716.42

Finding the Fourth Proportional to 13,723.41, 20,586.34 and 5,716.42

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Solution

The fourth proportional to 13,723.41, 20,586.34 and 5,716.42 is: 8,575.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.41 : 20,586.34 = 5,716.42 : x
  2. Step 2: Convert to fraction form
    13,723.41/20,586.34 = 5,716.42/x
  3. Step 3: Cross multiply
    13,723.41x = 20,586.34 × 5,716.42
  4. Step 4: Simplify right side
    13,723.41x = 117,680,165.70
  5. Step 5: Solve for x
    x = 117,680,165.70/13,723.41
  6. Step 6: Final answer
    x = 8,575.14

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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.