Home / 13,716.27-18,914.31-11,733.39

Finding the Fourth Proportional to 13,716.27, 18,914.31 and 11,733.39

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Solution

The fourth proportional to 13,716.27, 18,914.31 and 11,733.39 is: 16,179.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.27 : 18,914.31 = 11,733.39 : x
  2. Step 2: Convert to fraction form
    13,716.27/18,914.31 = 11,733.39/x
  3. Step 3: Cross multiply
    13,716.27x = 18,914.31 × 11,733.39
  4. Step 4: Simplify right side
    13,716.27x = 221,928,975.81
  5. Step 5: Solve for x
    x = 221,928,975.81/13,716.27
  6. Step 6: Final answer
    x = 16,179.98

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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.