Home / 13,826.52-20,742.48-4,468.89

Finding the Fourth Proportional to 13,826.52, 20,742.48 and 4,468.89

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Solution

The fourth proportional to 13,826.52, 20,742.48 and 4,468.89 is: 6,704.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826.52 : 20,742.48 = 4,468.89 : x
  2. Step 2: Convert to fraction form
    13,826.52/20,742.48 = 4,468.89/x
  3. Step 3: Cross multiply
    13,826.52x = 20,742.48 × 4,468.89
  4. Step 4: Simplify right side
    13,826.52x = 92,695,861.45
  5. Step 5: Solve for x
    x = 92,695,861.45/13,826.52
  6. Step 6: Final answer
    x = 6,704.21

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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.