Home / 33,627.66-46,406.18-18,520.20

Finding the Fourth Proportional to 33,627.66, 46,406.18 and 18,520.20

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Solution

The fourth proportional to 33,627.66, 46,406.18 and 18,520.20 is: 25,557.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,627.66 : 46,406.18 = 18,520.20 : x
  2. Step 2: Convert to fraction form
    33,627.66/46,406.18 = 18,520.20/x
  3. Step 3: Cross multiply
    33,627.66x = 46,406.18 × 18,520.20
  4. Step 4: Simplify right side
    33,627.66x = 859,451,734.84
  5. Step 5: Solve for x
    x = 859,451,734.84/33,627.66
  6. Step 6: Final answer
    x = 25,557.88

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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.