Home / 13,819.35-20,733.41-4,934.48

Finding the Fourth Proportional to 13,819.35, 20,733.41 and 4,934.48

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Solution

The fourth proportional to 13,819.35, 20,733.41 and 4,934.48 is: 7,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.35 : 20,733.41 = 4,934.48 : x
  2. Step 2: Convert to fraction form
    13,819.35/20,733.41 = 4,934.48/x
  3. Step 3: Cross multiply
    13,819.35x = 20,733.41 × 4,934.48
  4. Step 4: Simplify right side
    13,819.35x = 102,308,468.64
  5. Step 5: Solve for x
    x = 102,308,468.64/13,819.35
  6. Step 6: Final answer
    x = 7,403.28

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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.