Home / 14,121.14-19,479.06-8,806.73

Finding the Fourth Proportional to 14,121.14, 19,479.06 and 8,806.73

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Solution

The fourth proportional to 14,121.14, 19,479.06 and 8,806.73 is: 12,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.14 : 19,479.06 = 8,806.73 : x
  2. Step 2: Convert to fraction form
    14,121.14/19,479.06 = 8,806.73/x
  3. Step 3: Cross multiply
    14,121.14x = 19,479.06 × 8,806.73
  4. Step 4: Simplify right side
    14,121.14x = 171,546,724.68
  5. Step 5: Solve for x
    x = 171,546,724.68/14,121.14
  6. Step 6: Final answer
    x = 12,148.22

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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.