Home / 33,077.28-45,647.64-18,736.92

Finding the Fourth Proportional to 33,077.28, 45,647.64 and 18,736.92

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Solution

The fourth proportional to 33,077.28, 45,647.64 and 18,736.92 is: 25,857.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,077.28 : 45,647.64 = 18,736.92 : x
  2. Step 2: Convert to fraction form
    33,077.28/45,647.64 = 18,736.92/x
  3. Step 3: Cross multiply
    33,077.28x = 45,647.64 × 18,736.92
  4. Step 4: Simplify right side
    33,077.28x = 855,296,178.87
  5. Step 5: Solve for x
    x = 855,296,178.87/33,077.28
  6. Step 6: Final answer
    x = 25,857.51

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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.