Home / 13,426.66-20,142.04-6,849.26

Finding the Fourth Proportional to 13,426.66, 20,142.04 and 6,849.26

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Solution

The fourth proportional to 13,426.66, 20,142.04 and 6,849.26 is: 10,274.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426.66 : 20,142.04 = 6,849.26 : x
  2. Step 2: Convert to fraction form
    13,426.66/20,142.04 = 6,849.26/x
  3. Step 3: Cross multiply
    13,426.66x = 20,142.04 × 6,849.26
  4. Step 4: Simplify right side
    13,426.66x = 137,957,976.23
  5. Step 5: Solve for x
    x = 137,957,976.23/13,426.66
  6. Step 6: Final answer
    x = 10,274.93

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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.