Home / 14,956.72-20,639.79-8,584.36

Finding the Fourth Proportional to 14,956.72, 20,639.79 and 8,584.36

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Solution

The fourth proportional to 14,956.72, 20,639.79 and 8,584.36 is: 11,846.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,956.72 : 20,639.79 = 8,584.36 : x
  2. Step 2: Convert to fraction form
    14,956.72/20,639.79 = 8,584.36/x
  3. Step 3: Cross multiply
    14,956.72x = 20,639.79 × 8,584.36
  4. Step 4: Simplify right side
    14,956.72x = 177,179,387.68
  5. Step 5: Solve for x
    x = 177,179,387.68/14,956.72
  6. Step 6: Final answer
    x = 11,846.14

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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.