Home / 33,161.28-45,764.64-18,257.28

Finding the Fourth Proportional to 33,161.28, 45,764.64 and 18,257.28

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Solution

The fourth proportional to 33,161.28, 45,764.64 and 18,257.28 is: 25,196.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,161.28 : 45,764.64 = 18,257.28 : x
  2. Step 2: Convert to fraction form
    33,161.28/45,764.64 = 18,257.28/x
  3. Step 3: Cross multiply
    33,161.28x = 45,764.64 × 18,257.28
  4. Step 4: Simplify right side
    33,161.28x = 835,537,846.58
  5. Step 5: Solve for x
    x = 835,537,846.58/33,161.28
  6. Step 6: Final answer
    x = 25,196.19

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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.