Home / 14,956.45-20,640.13-8,584.08

Finding the Fourth Proportional to 14,956.45, 20,640.13 and 8,584.08

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Solution

The fourth proportional to 14,956.45, 20,640.13 and 8,584.08 is: 11,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,956.45 : 20,640.13 = 8,584.08 : x
  2. Step 2: Convert to fraction form
    14,956.45/20,640.13 = 8,584.08/x
  3. Step 3: Cross multiply
    14,956.45x = 20,640.13 × 8,584.08
  4. Step 4: Simplify right side
    14,956.45x = 177,176,505.67
  5. Step 5: Solve for x
    x = 177,176,505.67/14,956.45
  6. Step 6: Final answer
    x = 11,846.16

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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.