Home / 13,377.81-20,067.67-4,612.60

Finding the Fourth Proportional to 13,377.81, 20,067.67 and 4,612.60

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Solution

The fourth proportional to 13,377.81, 20,067.67 and 4,612.60 is: 6,919.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377.81 : 20,067.67 = 4,612.60 : x
  2. Step 2: Convert to fraction form
    13,377.81/20,067.67 = 4,612.60/x
  3. Step 3: Cross multiply
    13,377.81x = 20,067.67 × 4,612.60
  4. Step 4: Simplify right side
    13,377.81x = 92,564,134.64
  5. Step 5: Solve for x
    x = 92,564,134.64/13,377.81
  6. Step 6: Final answer
    x = 6,919.23

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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.