Home / 13,407.44-20,112.94-5,614.42

Finding the Fourth Proportional to 13,407.44, 20,112.94 and 5,614.42

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Solution

The fourth proportional to 13,407.44, 20,112.94 and 5,614.42 is: 8,422.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407.44 : 20,112.94 = 5,614.42 : x
  2. Step 2: Convert to fraction form
    13,407.44/20,112.94 = 5,614.42/x
  3. Step 3: Cross multiply
    13,407.44x = 20,112.94 × 5,614.42
  4. Step 4: Simplify right side
    13,407.44x = 112,922,492.59
  5. Step 5: Solve for x
    x = 112,922,492.59/13,407.44
  6. Step 6: Final answer
    x = 8,422.38

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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.