Home / 13,829.49-20,741.76-4,469.13

Finding the Fourth Proportional to 13,829.49, 20,741.76 and 4,469.13

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Solution

The fourth proportional to 13,829.49, 20,741.76 and 4,469.13 is: 6,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.49 : 20,741.76 = 4,469.13 : x
  2. Step 2: Convert to fraction form
    13,829.49/20,741.76 = 4,469.13/x
  3. Step 3: Cross multiply
    13,829.49x = 20,741.76 × 4,469.13
  4. Step 4: Simplify right side
    13,829.49x = 92,697,621.87
  5. Step 5: Solve for x
    x = 92,697,621.87/13,829.49
  6. Step 6: Final answer
    x = 6,702.90

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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.