Home / 19,253.39-28,819.58-12,241.31

Finding the Fourth Proportional to 19,253.39, 28,819.58 and 12,241.31

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Solution

The fourth proportional to 19,253.39, 28,819.58 and 12,241.31 is: 18,323.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,253.39 : 28,819.58 = 12,241.31 : x
  2. Step 2: Convert to fraction form
    19,253.39/28,819.58 = 12,241.31/x
  3. Step 3: Cross multiply
    19,253.39x = 28,819.58 × 12,241.31
  4. Step 4: Simplify right side
    19,253.39x = 352,789,351.64
  5. Step 5: Solve for x
    x = 352,789,351.64/19,253.39
  6. Step 6: Final answer
    x = 18,323.50

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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.