Home / 33,415.45-46,115.25-18,308.14

Finding the Fourth Proportional to 33,415.45, 46,115.25 and 18,308.14

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Solution

The fourth proportional to 33,415.45, 46,115.25 and 18,308.14 is: 25,266.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,415.45 : 46,115.25 = 18,308.14 : x
  2. Step 2: Convert to fraction form
    33,415.45/46,115.25 = 18,308.14/x
  3. Step 3: Cross multiply
    33,415.45x = 46,115.25 × 18,308.14
  4. Step 4: Simplify right side
    33,415.45x = 844,284,453.14
  5. Step 5: Solve for x
    x = 844,284,453.14/33,415.45
  6. Step 6: Final answer
    x = 25,266.29

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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.