Home / 33,107.40-45,687.26-18,768.56

Finding the Fourth Proportional to 33,107.40, 45,687.26 and 18,768.56

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Solution

The fourth proportional to 33,107.40, 45,687.26 and 18,768.56 is: 25,900.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,107.40 : 45,687.26 = 18,768.56 : x
  2. Step 2: Convert to fraction form
    33,107.40/45,687.26 = 18,768.56/x
  3. Step 3: Cross multiply
    33,107.40x = 45,687.26 × 18,768.56
  4. Step 4: Simplify right side
    33,107.40x = 857,483,758.27
  5. Step 5: Solve for x
    x = 857,483,758.27/33,107.40
  6. Step 6: Final answer
    x = 25,900.06

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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.