Home / 13,553.07-20,324.75-5,759.25

Finding the Fourth Proportional to 13,553.07, 20,324.75 and 5,759.25

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Solution

The fourth proportional to 13,553.07, 20,324.75 and 5,759.25 is: 8,636.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553.07 : 20,324.75 = 5,759.25 : x
  2. Step 2: Convert to fraction form
    13,553.07/20,324.75 = 5,759.25/x
  3. Step 3: Cross multiply
    13,553.07x = 20,324.75 × 5,759.25
  4. Step 4: Simplify right side
    13,553.07x = 117,055,287.64
  5. Step 5: Solve for x
    x = 117,055,287.64/13,553.07
  6. Step 6: Final answer
    x = 8,636.81

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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.