Home / 13,118.20-19,677.26-4,113

Finding the Fourth Proportional to 13,118.20, 19,677.26 and 4,113

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Solution

The fourth proportional to 13,118.20, 19,677.26 and 4,113 is: 6,169.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.20 : 19,677.26 = 4,113 : x
  2. Step 2: Convert to fraction form
    13,118.20/19,677.26 = 4,113/x
  3. Step 3: Cross multiply
    13,118.20x = 19,677.26 × 4,113
  4. Step 4: Simplify right side
    13,118.20x = 80,932,570.38
  5. Step 5: Solve for x
    x = 80,932,570.38/13,118.20
  6. Step 6: Final answer
    x = 6,169.49

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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.