Home / 69,912.32-104,867.26-17,321.63

Finding the Fourth Proportional to 69,912.32, 104,867.26 and 17,321.63

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Solution

The fourth proportional to 69,912.32, 104,867.26 and 17,321.63 is: 25,982.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,912.32 : 104,867.26 = 17,321.63 : x
  2. Step 2: Convert to fraction form
    69,912.32/104,867.26 = 17,321.63/x
  3. Step 3: Cross multiply
    69,912.32x = 104,867.26 × 17,321.63
  4. Step 4: Simplify right side
    69,912.32x = 1,816,471,309.19
  5. Step 5: Solve for x
    x = 1,816,471,309.19/69,912.32
  6. Step 6: Final answer
    x = 25,982.14

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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.