Home / 13,336.64-20,006.88-4,100.48

Finding the Fourth Proportional to 13,336.64, 20,006.88 and 4,100.48

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Solution

The fourth proportional to 13,336.64, 20,006.88 and 4,100.48 is: 6,151.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.64 : 20,006.88 = 4,100.48 : x
  2. Step 2: Convert to fraction form
    13,336.64/20,006.88 = 4,100.48/x
  3. Step 3: Cross multiply
    13,336.64x = 20,006.88 × 4,100.48
  4. Step 4: Simplify right side
    13,336.64x = 82,037,811.30
  5. Step 5: Solve for x
    x = 82,037,811.30/13,336.64
  6. Step 6: Final answer
    x = 6,151.31

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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.