Home / 18,234.40-25,163.60-10,276.32

Finding the Fourth Proportional to 18,234.40, 25,163.60 and 10,276.32

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Solution

The fourth proportional to 18,234.40, 25,163.60 and 10,276.32 is: 14,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.40 : 25,163.60 = 10,276.32 : x
  2. Step 2: Convert to fraction form
    18,234.40/25,163.60 = 10,276.32/x
  3. Step 3: Cross multiply
    18,234.40x = 25,163.60 × 10,276.32
  4. Step 4: Simplify right side
    18,234.40x = 258,589,205.95
  5. Step 5: Solve for x
    x = 258,589,205.95/18,234.40
  6. Step 6: Final answer
    x = 14,181.39

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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.