Home / 14,469.48-21,701.76-4,078.80

Finding the Fourth Proportional to 14,469.48, 21,701.76 and 4,078.80

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Solution

The fourth proportional to 14,469.48, 21,701.76 and 4,078.80 is: 6,117.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469.48 : 21,701.76 = 4,078.80 : x
  2. Step 2: Convert to fraction form
    14,469.48/21,701.76 = 4,078.80/x
  3. Step 3: Cross multiply
    14,469.48x = 21,701.76 × 4,078.80
  4. Step 4: Simplify right side
    14,469.48x = 88,517,138.69
  5. Step 5: Solve for x
    x = 88,517,138.69/14,469.48
  6. Step 6: Final answer
    x = 6,117.51

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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.