Home / 14,035.46-21,040.78-5,722.43

Finding the Fourth Proportional to 14,035.46, 21,040.78 and 5,722.43

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Solution

The fourth proportional to 14,035.46, 21,040.78 and 5,722.43 is: 8,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,035.46 : 21,040.78 = 5,722.43 : x
  2. Step 2: Convert to fraction form
    14,035.46/21,040.78 = 5,722.43/x
  3. Step 3: Cross multiply
    14,035.46x = 21,040.78 × 5,722.43
  4. Step 4: Simplify right side
    14,035.46x = 120,404,390.70
  5. Step 5: Solve for x
    x = 120,404,390.70/14,035.46
  6. Step 6: Final answer
    x = 8,578.59

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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.