Home / 14,736.75-20,336.72-8,112.75

Finding the Fourth Proportional to 14,736.75, 20,336.72 and 8,112.75

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Solution

The fourth proportional to 14,736.75, 20,336.72 and 8,112.75 is: 11,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,736.75 : 20,336.72 = 8,112.75 : x
  2. Step 2: Convert to fraction form
    14,736.75/20,336.72 = 8,112.75/x
  3. Step 3: Cross multiply
    14,736.75x = 20,336.72 × 8,112.75
  4. Step 4: Simplify right side
    14,736.75x = 164,986,725.18
  5. Step 5: Solve for x
    x = 164,986,725.18/14,736.75
  6. Step 6: Final answer
    x = 11,195.60

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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.