Home / 13,412.29-20,111.94-4,050.55

Finding the Fourth Proportional to 13,412.29, 20,111.94 and 4,050.55

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Solution

The fourth proportional to 13,412.29, 20,111.94 and 4,050.55 is: 6,073.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412.29 : 20,111.94 = 4,050.55 : x
  2. Step 2: Convert to fraction form
    13,412.29/20,111.94 = 4,050.55/x
  3. Step 3: Cross multiply
    13,412.29x = 20,111.94 × 4,050.55
  4. Step 4: Simplify right side
    13,412.29x = 81,464,418.57
  5. Step 5: Solve for x
    x = 81,464,418.57/13,412.29
  6. Step 6: Final answer
    x = 6,073.86

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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.