Home / 13,722.48-20,584.70-6,708.33

Finding the Fourth Proportional to 13,722.48, 20,584.70 and 6,708.33

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Solution

The fourth proportional to 13,722.48, 20,584.70 and 6,708.33 is: 10,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.48 : 20,584.70 = 6,708.33 : x
  2. Step 2: Convert to fraction form
    13,722.48/20,584.70 = 6,708.33/x
  3. Step 3: Cross multiply
    13,722.48x = 20,584.70 × 6,708.33
  4. Step 4: Simplify right side
    13,722.48x = 138,088,952.17
  5. Step 5: Solve for x
    x = 138,088,952.17/13,722.48
  6. Step 6: Final answer
    x = 10,062.97

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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.