Home / 33,268.40-45,912.12-19,122.56

Finding the Fourth Proportional to 33,268.40, 45,912.12 and 19,122.56

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Solution

The fourth proportional to 33,268.40, 45,912.12 and 19,122.56 is: 26,390.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,268.40 : 45,912.12 = 19,122.56 : x
  2. Step 2: Convert to fraction form
    33,268.40/45,912.12 = 19,122.56/x
  3. Step 3: Cross multiply
    33,268.40x = 45,912.12 × 19,122.56
  4. Step 4: Simplify right side
    33,268.40x = 877,957,269.43
  5. Step 5: Solve for x
    x = 877,957,269.43/33,268.40
  6. Step 6: Final answer
    x = 26,390.13

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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.