Home / 14,247.79-19,662.68-8,584.31

Finding the Fourth Proportional to 14,247.79, 19,662.68 and 8,584.31

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Solution

The fourth proportional to 14,247.79, 19,662.68 and 8,584.31 is: 11,846.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.79 : 19,662.68 = 8,584.31 : x
  2. Step 2: Convert to fraction form
    14,247.79/19,662.68 = 8,584.31/x
  3. Step 3: Cross multiply
    14,247.79x = 19,662.68 × 8,584.31
  4. Step 4: Simplify right side
    14,247.79x = 168,790,611.17
  5. Step 5: Solve for x
    x = 168,790,611.17/14,247.79
  6. Step 6: Final answer
    x = 11,846.79

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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.