Home / 14,800.44-20,424.62-8,512.80

Finding the Fourth Proportional to 14,800.44, 20,424.62 and 8,512.80

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Solution

The fourth proportional to 14,800.44, 20,424.62 and 8,512.80 is: 11,747.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,800.44 : 20,424.62 = 8,512.80 : x
  2. Step 2: Convert to fraction form
    14,800.44/20,424.62 = 8,512.80/x
  3. Step 3: Cross multiply
    14,800.44x = 20,424.62 × 8,512.80
  4. Step 4: Simplify right side
    14,800.44x = 173,870,705.14
  5. Step 5: Solve for x
    x = 173,870,705.14/14,800.44
  6. Step 6: Final answer
    x = 11,747.67

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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.