Home / 13,866.14-20,796.93-4,979.63

Finding the Fourth Proportional to 13,866.14, 20,796.93 and 4,979.63

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Solution

The fourth proportional to 13,866.14, 20,796.93 and 4,979.63 is: 7,468.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.14 : 20,796.93 = 4,979.63 : x
  2. Step 2: Convert to fraction form
    13,866.14/20,796.93 = 4,979.63/x
  3. Step 3: Cross multiply
    13,866.14x = 20,796.93 × 4,979.63
  4. Step 4: Simplify right side
    13,866.14x = 103,561,016.54
  5. Step 5: Solve for x
    x = 103,561,016.54/13,866.14
  6. Step 6: Final answer
    x = 7,468.63

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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.