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Finding the Fourth Proportional to 18,166.16, 27,239.64 and 9,399.44

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Solution

The fourth proportional to 18,166.16, 27,239.64 and 9,399.44 is: 14,094.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166.16 : 27,239.64 = 9,399.44 : x
  2. Step 2: Convert to fraction form
    18,166.16/27,239.64 = 9,399.44/x
  3. Step 3: Cross multiply
    18,166.16x = 27,239.64 × 9,399.44
  4. Step 4: Simplify right side
    18,166.16x = 256,037,361.80
  5. Step 5: Solve for x
    x = 256,037,361.80/18,166.16
  6. Step 6: Final answer
    x = 14,094.19

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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.