Home / 13,960.61-19,268.03-9,481.31

Finding the Fourth Proportional to 13,960.61, 19,268.03 and 9,481.31

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Solution

The fourth proportional to 13,960.61, 19,268.03 and 9,481.31 is: 13,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.61 : 19,268.03 = 9,481.31 : x
  2. Step 2: Convert to fraction form
    13,960.61/19,268.03 = 9,481.31/x
  3. Step 3: Cross multiply
    13,960.61x = 19,268.03 × 9,481.31
  4. Step 4: Simplify right side
    13,960.61x = 182,686,092.88
  5. Step 5: Solve for x
    x = 182,686,092.88/13,960.61
  6. Step 6: Final answer
    x = 13,085.83

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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.