Home / 33,684.90-46,485.14-18,578.54

Finding the Fourth Proportional to 33,684.90, 46,485.14 and 18,578.54

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Solution

The fourth proportional to 33,684.90, 46,485.14 and 18,578.54 is: 25,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,684.90 : 46,485.14 = 18,578.54 : x
  2. Step 2: Convert to fraction form
    33,684.90/46,485.14 = 18,578.54/x
  3. Step 3: Cross multiply
    33,684.90x = 46,485.14 × 18,578.54
  4. Step 4: Simplify right side
    33,684.90x = 863,625,707.58
  5. Step 5: Solve for x
    x = 863,625,707.58/33,684.90
  6. Step 6: Final answer
    x = 25,638.36

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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.