Home / 18,775.83-25,910.67-11,702.25

Finding the Fourth Proportional to 18,775.83, 25,910.67 and 11,702.25

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Solution

The fourth proportional to 18,775.83, 25,910.67 and 11,702.25 is: 16,149.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,775.83 : 25,910.67 = 11,702.25 : x
  2. Step 2: Convert to fraction form
    18,775.83/25,910.67 = 11,702.25/x
  3. Step 3: Cross multiply
    18,775.83x = 25,910.67 × 11,702.25
  4. Step 4: Simplify right side
    18,775.83x = 303,213,181.89
  5. Step 5: Solve for x
    x = 303,213,181.89/18,775.83
  6. Step 6: Final answer
    x = 16,149.12

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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.