Home / 22,272.44-30,724.83-13,317.57

Finding the Fourth Proportional to 22,272.44, 30,724.83 and 13,317.57

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Solution

The fourth proportional to 22,272.44, 30,724.83 and 13,317.57 is: 18,371.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.44 : 30,724.83 = 13,317.57 : x
  2. Step 2: Convert to fraction form
    22,272.44/30,724.83 = 13,317.57/x
  3. Step 3: Cross multiply
    22,272.44x = 30,724.83 × 13,317.57
  4. Step 4: Simplify right side
    22,272.44x = 409,180,074.26
  5. Step 5: Solve for x
    x = 409,180,074.26/22,272.44
  6. Step 6: Final answer
    x = 18,371.59

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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.