Home / 14,178.85-19,568.99-8,516.75

Finding the Fourth Proportional to 14,178.85, 19,568.99 and 8,516.75

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Solution

The fourth proportional to 14,178.85, 19,568.99 and 8,516.75 is: 11,754.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.85 : 19,568.99 = 8,516.75 : x
  2. Step 2: Convert to fraction form
    14,178.85/19,568.99 = 8,516.75/x
  3. Step 3: Cross multiply
    14,178.85x = 19,568.99 × 8,516.75
  4. Step 4: Simplify right side
    14,178.85x = 166,664,119.03
  5. Step 5: Solve for x
    x = 166,664,119.03/14,178.85
  6. Step 6: Final answer
    x = 11,754.42

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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.