Home / 13,614.44-18,776.42-11,500.36

Finding the Fourth Proportional to 13,614.44, 18,776.42 and 11,500.36

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Solution

The fourth proportional to 13,614.44, 18,776.42 and 11,500.36 is: 15,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.44 : 18,776.42 = 11,500.36 : x
  2. Step 2: Convert to fraction form
    13,614.44/18,776.42 = 11,500.36/x
  3. Step 3: Cross multiply
    13,614.44x = 18,776.42 × 11,500.36
  4. Step 4: Simplify right side
    13,614.44x = 215,935,589.51
  5. Step 5: Solve for x
    x = 215,935,589.51/13,614.44
  6. Step 6: Final answer
    x = 15,860.78

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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.