Home / 19,704.96-27,192.83-12,631.37

Finding the Fourth Proportional to 19,704.96, 27,192.83 and 12,631.37

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Solution

The fourth proportional to 19,704.96, 27,192.83 and 12,631.37 is: 17,431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,704.96 : 27,192.83 = 12,631.37 : x
  2. Step 2: Convert to fraction form
    19,704.96/27,192.83 = 12,631.37/x
  3. Step 3: Cross multiply
    19,704.96x = 27,192.83 × 12,631.37
  4. Step 4: Simplify right side
    19,704.96x = 343,482,497.96
  5. Step 5: Solve for x
    x = 343,482,497.96/19,704.96
  6. Step 6: Final answer
    x = 17,431.27

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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.