Home / 22,309.68-33,470.64-9,171.36

Finding the Fourth Proportional to 22,309.68, 33,470.64 and 9,171.36

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Solution

The fourth proportional to 22,309.68, 33,470.64 and 9,171.36 is: 13,759.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,309.68 : 33,470.64 = 9,171.36 : x
  2. Step 2: Convert to fraction form
    22,309.68/33,470.64 = 9,171.36/x
  3. Step 3: Cross multiply
    22,309.68x = 33,470.64 × 9,171.36
  4. Step 4: Simplify right side
    22,309.68x = 306,971,288.87
  5. Step 5: Solve for x
    x = 306,971,288.87/22,309.68
  6. Step 6: Final answer
    x = 13,759.56

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1.5x scale

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.