Home / 15,189.66-22,786.38-6,422.36

Finding the Fourth Proportional to 15,189.66, 22,786.38 and 6,422.36

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Solution

The fourth proportional to 15,189.66, 22,786.38 and 6,422.36 is: 9,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,189.66 : 22,786.38 = 6,422.36 : x
  2. Step 2: Convert to fraction form
    15,189.66/22,786.38 = 6,422.36/x
  3. Step 3: Cross multiply
    15,189.66x = 22,786.38 × 6,422.36
  4. Step 4: Simplify right side
    15,189.66x = 146,342,221.52
  5. Step 5: Solve for x
    x = 146,342,221.52/15,189.66
  6. Step 6: Final answer
    x = 9,634.33

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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.