Home / 13,411.32-20,110.43-4,049.58

Finding the Fourth Proportional to 13,411.32, 20,110.43 and 4,049.58

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Solution

The fourth proportional to 13,411.32, 20,110.43 and 4,049.58 is: 6,072.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411.32 : 20,110.43 = 4,049.58 : x
  2. Step 2: Convert to fraction form
    13,411.32/20,110.43 = 4,049.58/x
  3. Step 3: Cross multiply
    13,411.32x = 20,110.43 × 4,049.58
  4. Step 4: Simplify right side
    13,411.32x = 81,438,805.24
  5. Step 5: Solve for x
    x = 81,438,805.24/13,411.32
  6. Step 6: Final answer
    x = 6,072.39

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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.