Home / 22,315.75-33,438.03-11,785.33

Finding the Fourth Proportional to 22,315.75, 33,438.03 and 11,785.33

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Solution

The fourth proportional to 22,315.75, 33,438.03 and 11,785.33 is: 17,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,315.75 : 33,438.03 = 11,785.33 : x
  2. Step 2: Convert to fraction form
    22,315.75/33,438.03 = 11,785.33/x
  3. Step 3: Cross multiply
    22,315.75x = 33,438.03 × 11,785.33
  4. Step 4: Simplify right side
    22,315.75x = 394,078,218.10
  5. Step 5: Solve for x
    x = 394,078,218.10/22,315.75
  6. Step 6: Final answer
    x = 17,659.20

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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.