Home / 13,467.71-20,203.69-4,105.58

Finding the Fourth Proportional to 13,467.71, 20,203.69 and 4,105.58

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Solution

The fourth proportional to 13,467.71, 20,203.69 and 4,105.58 is: 6,159.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,467.71 : 20,203.69 = 4,105.58 : x
  2. Step 2: Convert to fraction form
    13,467.71/20,203.69 = 4,105.58/x
  3. Step 3: Cross multiply
    13,467.71x = 20,203.69 × 4,105.58
  4. Step 4: Simplify right side
    13,467.71x = 82,947,880.21
  5. Step 5: Solve for x
    x = 82,947,880.21/13,467.71
  6. Step 6: Final answer
    x = 6,159.02

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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.