Home / 14,747.43-22,121.69-4,887.57

Finding the Fourth Proportional to 14,747.43, 22,121.69 and 4,887.57

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Solution

The fourth proportional to 14,747.43, 22,121.69 and 4,887.57 is: 7,331.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747.43 : 22,121.69 = 4,887.57 : x
  2. Step 2: Convert to fraction form
    14,747.43/22,121.69 = 4,887.57/x
  3. Step 3: Cross multiply
    14,747.43x = 22,121.69 × 4,887.57
  4. Step 4: Simplify right side
    14,747.43x = 108,121,308.39
  5. Step 5: Solve for x
    x = 108,121,308.39/14,747.43
  6. Step 6: Final answer
    x = 7,331.54

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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.