Home / 13,727.08-18,956.81-11,725.97

Finding the Fourth Proportional to 13,727.08, 18,956.81 and 11,725.97

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Solution

The fourth proportional to 13,727.08, 18,956.81 and 11,725.97 is: 16,193.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.08 : 18,956.81 = 11,725.97 : x
  2. Step 2: Convert to fraction form
    13,727.08/18,956.81 = 11,725.97/x
  3. Step 3: Cross multiply
    13,727.08x = 18,956.81 × 11,725.97
  4. Step 4: Simplify right side
    13,727.08x = 222,286,926.73
  5. Step 5: Solve for x
    x = 222,286,926.73/13,727.08
  6. Step 6: Final answer
    x = 16,193.32

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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.