Home / 13,867.58-20,794.08-11,928.44

Finding the Fourth Proportional to 13,867.58, 20,794.08 and 11,928.44

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Solution

The fourth proportional to 13,867.58, 20,794.08 and 11,928.44 is: 17,886.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867.58 : 20,794.08 = 11,928.44 : x
  2. Step 2: Convert to fraction form
    13,867.58/20,794.08 = 11,928.44/x
  3. Step 3: Cross multiply
    13,867.58x = 20,794.08 × 11,928.44
  4. Step 4: Simplify right side
    13,867.58x = 248,040,935.64
  5. Step 5: Solve for x
    x = 248,040,935.64/13,867.58
  6. Step 6: Final answer
    x = 17,886.39

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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.