Home / 18,229.75-25,157.06-9,846.25

Finding the Fourth Proportional to 18,229.75, 25,157.06 and 9,846.25

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Solution

The fourth proportional to 18,229.75, 25,157.06 and 9,846.25 is: 13,587.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.75 : 25,157.06 = 9,846.25 : x
  2. Step 2: Convert to fraction form
    18,229.75/25,157.06 = 9,846.25/x
  3. Step 3: Cross multiply
    18,229.75x = 25,157.06 × 9,846.25
  4. Step 4: Simplify right side
    18,229.75x = 247,702,702.03
  5. Step 5: Solve for x
    x = 247,702,702.03/18,229.75
  6. Step 6: Final answer
    x = 13,587.83

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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.