Home / 13,405.38-20,110.92-4,046.10

Finding the Fourth Proportional to 13,405.38, 20,110.92 and 4,046.10

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Solution

The fourth proportional to 13,405.38, 20,110.92 and 4,046.10 is: 6,070.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,405.38 : 20,110.92 = 4,046.10 : x
  2. Step 2: Convert to fraction form
    13,405.38/20,110.92 = 4,046.10/x
  3. Step 3: Cross multiply
    13,405.38x = 20,110.92 × 4,046.10
  4. Step 4: Simplify right side
    13,405.38x = 81,370,793.41
  5. Step 5: Solve for x
    x = 81,370,793.41/13,405.38
  6. Step 6: Final answer
    x = 6,070.01

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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.