Home / 33,622.53-46,399.09-18,515.15

Finding the Fourth Proportional to 33,622.53, 46,399.09 and 18,515.15

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Solution

The fourth proportional to 33,622.53, 46,399.09 and 18,515.15 is: 25,550.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,622.53 : 46,399.09 = 18,515.15 : x
  2. Step 2: Convert to fraction form
    33,622.53/46,399.09 = 18,515.15/x
  3. Step 3: Cross multiply
    33,622.53x = 46,399.09 × 18,515.15
  4. Step 4: Simplify right side
    33,622.53x = 859,086,111.21
  5. Step 5: Solve for x
    x = 859,086,111.21/33,622.53
  6. Step 6: Final answer
    x = 25,550.91

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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.