Home / 13,118.74-19,671.62-4,350.68

Finding the Fourth Proportional to 13,118.74, 19,671.62 and 4,350.68

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Solution

The fourth proportional to 13,118.74, 19,671.62 and 4,350.68 is: 6,523.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.74 : 19,671.62 = 4,350.68 : x
  2. Step 2: Convert to fraction form
    13,118.74/19,671.62 = 4,350.68/x
  3. Step 3: Cross multiply
    13,118.74x = 19,671.62 × 4,350.68
  4. Step 4: Simplify right side
    13,118.74x = 85,584,923.70
  5. Step 5: Solve for x
    x = 85,584,923.70/13,118.74
  6. Step 6: Final answer
    x = 6,523.87

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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.