Home / 13,426.69-20,149.27-4,661.60

Finding the Fourth Proportional to 13,426.69, 20,149.27 and 4,661.60

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Solution

The fourth proportional to 13,426.69, 20,149.27 and 4,661.60 is: 6,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426.69 : 20,149.27 = 4,661.60 : x
  2. Step 2: Convert to fraction form
    13,426.69/20,149.27 = 4,661.60/x
  3. Step 3: Cross multiply
    13,426.69x = 20,149.27 × 4,661.60
  4. Step 4: Simplify right side
    13,426.69x = 93,927,837.03
  5. Step 5: Solve for x
    x = 93,927,837.03/13,426.69
  6. Step 6: Final answer
    x = 6,995.61

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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.