Home / 16,212.48-22,372.79-9,042.62

Finding the Fourth Proportional to 16,212.48, 22,372.79 and 9,042.62

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Solution

The fourth proportional to 16,212.48, 22,372.79 and 9,042.62 is: 12,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,212.48 : 22,372.79 = 9,042.62 : x
  2. Step 2: Convert to fraction form
    16,212.48/22,372.79 = 9,042.62/x
  3. Step 3: Cross multiply
    16,212.48x = 22,372.79 × 9,042.62
  4. Step 4: Simplify right side
    16,212.48x = 202,308,481.23
  5. Step 5: Solve for x
    x = 202,308,481.23/16,212.48
  6. Step 6: Final answer
    x = 12,478.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.