Home / 18,745.44-28,108.98-6,261.18

Finding the Fourth Proportional to 18,745.44, 28,108.98 and 6,261.18

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Solution

The fourth proportional to 18,745.44, 28,108.98 and 6,261.18 is: 9,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745.44 : 28,108.98 = 6,261.18 : x
  2. Step 2: Convert to fraction form
    18,745.44/28,108.98 = 6,261.18/x
  3. Step 3: Cross multiply
    18,745.44x = 28,108.98 × 6,261.18
  4. Step 4: Simplify right side
    18,745.44x = 175,995,383.40
  5. Step 5: Solve for x
    x = 175,995,383.40/18,745.44
  6. Step 6: Final answer
    x = 9,388.70

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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.