Home / 13,191.73-19,789.62-5,294.23

Finding the Fourth Proportional to 13,191.73, 19,789.62 and 5,294.23

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Solution

The fourth proportional to 13,191.73, 19,789.62 and 5,294.23 is: 7,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191.73 : 19,789.62 = 5,294.23 : x
  2. Step 2: Convert to fraction form
    13,191.73/19,789.62 = 5,294.23/x
  3. Step 3: Cross multiply
    13,191.73x = 19,789.62 × 5,294.23
  4. Step 4: Simplify right side
    13,191.73x = 104,770,808.56
  5. Step 5: Solve for x
    x = 104,770,808.56/13,191.73
  6. Step 6: Final answer
    x = 7,942.16

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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.