Home / 13,363.85-20,050.22-4,480.06

Finding the Fourth Proportional to 13,363.85, 20,050.22 and 4,480.06

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Solution

The fourth proportional to 13,363.85, 20,050.22 and 4,480.06 is: 6,721.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.85 : 20,050.22 = 4,480.06 : x
  2. Step 2: Convert to fraction form
    13,363.85/20,050.22 = 4,480.06/x
  3. Step 3: Cross multiply
    13,363.85x = 20,050.22 × 4,480.06
  4. Step 4: Simplify right side
    13,363.85x = 89,826,109.00
  5. Step 5: Solve for x
    x = 89,826,109.00/13,363.85
  6. Step 6: Final answer
    x = 6,721.58

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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.