Home / 22,218.87-33,341.75-9,739.61

Finding the Fourth Proportional to 22,218.87, 33,341.75 and 9,739.61

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Solution

The fourth proportional to 22,218.87, 33,341.75 and 9,739.61 is: 14,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,218.87 : 33,341.75 = 9,739.61 : x
  2. Step 2: Convert to fraction form
    22,218.87/33,341.75 = 9,739.61/x
  3. Step 3: Cross multiply
    22,218.87x = 33,341.75 × 9,739.61
  4. Step 4: Simplify right side
    22,218.87x = 324,735,426.31
  5. Step 5: Solve for x
    x = 324,735,426.31/22,218.87
  6. Step 6: Final answer
    x = 14,615.30

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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.