Home / 18,725.94-28,085.82-5,575.23

Finding the Fourth Proportional to 18,725.94, 28,085.82 and 5,575.23

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Solution

The fourth proportional to 18,725.94, 28,085.82 and 5,575.23 is: 8,361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.94 : 28,085.82 = 5,575.23 : x
  2. Step 2: Convert to fraction form
    18,725.94/28,085.82 = 5,575.23/x
  3. Step 3: Cross multiply
    18,725.94x = 28,085.82 × 5,575.23
  4. Step 4: Simplify right side
    18,725.94x = 156,584,906.24
  5. Step 5: Solve for x
    x = 156,584,906.24/18,725.94
  6. Step 6: Final answer
    x = 8,361.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.