Home / 18,755.56-28,116.62-12,094.44

Finding the Fourth Proportional to 18,755.56, 28,116.62 and 12,094.44

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Solution

The fourth proportional to 18,755.56, 28,116.62 and 12,094.44 is: 18,130.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755.56 : 28,116.62 = 12,094.44 : x
  2. Step 2: Convert to fraction form
    18,755.56/28,116.62 = 12,094.44/x
  3. Step 3: Cross multiply
    18,755.56x = 28,116.62 × 12,094.44
  4. Step 4: Simplify right side
    18,755.56x = 340,054,773.59
  5. Step 5: Solve for x
    x = 340,054,773.59/18,755.56
  6. Step 6: Final answer
    x = 18,130.88

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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.