Home / 13,496.83-20,191.17-11,667.64

Finding the Fourth Proportional to 13,496.83, 20,191.17 and 11,667.64

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Solution

The fourth proportional to 13,496.83, 20,191.17 and 11,667.64 is: 17,454.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.83 : 20,191.17 = 11,667.64 : x
  2. Step 2: Convert to fraction form
    13,496.83/20,191.17 = 11,667.64/x
  3. Step 3: Cross multiply
    13,496.83x = 20,191.17 × 11,667.64
  4. Step 4: Simplify right side
    13,496.83x = 235,583,244.40
  5. Step 5: Solve for x
    x = 235,583,244.40/13,496.83
  6. Step 6: Final answer
    x = 17,454.72

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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.