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Finding the Fourth Proportional to 18,224.10, 27,236.29 and 13,304.10

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Solution

The fourth proportional to 18,224.10, 27,236.29 and 13,304.10 is: 19,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,224.10 : 27,236.29 = 13,304.10 : x
  2. Step 2: Convert to fraction form
    18,224.10/27,236.29 = 13,304.10/x
  3. Step 3: Cross multiply
    18,224.10x = 27,236.29 × 13,304.10
  4. Step 4: Simplify right side
    18,224.10x = 362,354,325.79
  5. Step 5: Solve for x
    x = 362,354,325.79/18,224.10
  6. Step 6: Final answer
    x = 19,883.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.