Home / 13,942.62-19,234.37-8,904.31

Finding the Fourth Proportional to 13,942.62, 19,234.37 and 8,904.31

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Solution

The fourth proportional to 13,942.62, 19,234.37 and 8,904.31 is: 12,283.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.62 : 19,234.37 = 8,904.31 : x
  2. Step 2: Convert to fraction form
    13,942.62/19,234.37 = 8,904.31/x
  3. Step 3: Cross multiply
    13,942.62x = 19,234.37 × 8,904.31
  4. Step 4: Simplify right side
    13,942.62x = 171,268,767.31
  5. Step 5: Solve for x
    x = 171,268,767.31/13,942.62
  6. Step 6: Final answer
    x = 12,283.83

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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.