Home / 12,614.06-18,921.62-3,729.41

Finding the Fourth Proportional to 12,614.06, 18,921.62 and 3,729.41

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Solution

The fourth proportional to 12,614.06, 18,921.62 and 3,729.41 is: 5,594.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.06 : 18,921.62 = 3,729.41 : x
  2. Step 2: Convert to fraction form
    12,614.06/18,921.62 = 3,729.41/x
  3. Step 3: Cross multiply
    12,614.06x = 18,921.62 × 3,729.41
  4. Step 4: Simplify right side
    12,614.06x = 70,566,478.84
  5. Step 5: Solve for x
    x = 70,566,478.84/12,614.06
  6. Step 6: Final answer
    x = 5,594.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.