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Finding the Fourth Proportional to 18,236.16, 27,334.72 and 13,026.24

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Solution

The fourth proportional to 18,236.16, 27,334.72 and 13,026.24 is: 19,525.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.16 : 27,334.72 = 13,026.24 : x
  2. Step 2: Convert to fraction form
    18,236.16/27,334.72 = 13,026.24/x
  3. Step 3: Cross multiply
    18,236.16x = 27,334.72 × 13,026.24
  4. Step 4: Simplify right side
    18,236.16x = 356,068,623.05
  5. Step 5: Solve for x
    x = 356,068,623.05/18,236.16
  6. Step 6: Final answer
    x = 19,525.42

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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.