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Finding the Fourth Proportional to 18,203.23, 27,268.71 and 14,028.76

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Solution

The fourth proportional to 18,203.23, 27,268.71 and 14,028.76 is: 21,015.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203.23 : 27,268.71 = 14,028.76 : x
  2. Step 2: Convert to fraction form
    18,203.23/27,268.71 = 14,028.76/x
  3. Step 3: Cross multiply
    18,203.23x = 27,268.71 × 14,028.76
  4. Step 4: Simplify right side
    18,203.23x = 382,546,188.10
  5. Step 5: Solve for x
    x = 382,546,188.10/18,203.23
  6. Step 6: Final answer
    x = 21,015.29

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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.