Home / 14,116.58-19,481.09-7,743.79

Finding the Fourth Proportional to 14,116.58, 19,481.09 and 7,743.79

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Solution

The fourth proportional to 14,116.58, 19,481.09 and 7,743.79 is: 10,686.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.58 : 19,481.09 = 7,743.79 : x
  2. Step 2: Convert to fraction form
    14,116.58/19,481.09 = 7,743.79/x
  3. Step 3: Cross multiply
    14,116.58x = 19,481.09 × 7,743.79
  4. Step 4: Simplify right side
    14,116.58x = 150,857,382.51
  5. Step 5: Solve for x
    x = 150,857,382.51/14,116.58
  6. Step 6: Final answer
    x = 10,686.54

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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.