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Finding the Fourth Proportional to 14,381.44, 19,845.60 and 8,094.22

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Solution

The fourth proportional to 14,381.44, 19,845.60 and 8,094.22 is: 11,169.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.44 : 19,845.60 = 8,094.22 : x
  2. Step 2: Convert to fraction form
    14,381.44/19,845.60 = 8,094.22/x
  3. Step 3: Cross multiply
    14,381.44x = 19,845.60 × 8,094.22
  4. Step 4: Simplify right side
    14,381.44x = 160,634,652.43
  5. Step 5: Solve for x
    x = 160,634,652.43/14,381.44
  6. Step 6: Final answer
    x = 11,169.58

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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.