Home / 15,022.22-20,708.55-11,825.24

Finding the Fourth Proportional to 15,022.22, 20,708.55 and 11,825.24

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Solution

The fourth proportional to 15,022.22, 20,708.55 and 11,825.24 is: 16,301.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,022.22 : 20,708.55 = 11,825.24 : x
  2. Step 2: Convert to fraction form
    15,022.22/20,708.55 = 11,825.24/x
  3. Step 3: Cross multiply
    15,022.22x = 20,708.55 × 11,825.24
  4. Step 4: Simplify right side
    15,022.22x = 244,883,470.26
  5. Step 5: Solve for x
    x = 244,883,470.26/15,022.22
  6. Step 6: Final answer
    x = 16,301.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.