Home / 15,515.33-23,273.40-4,422.20

Finding the Fourth Proportional to 15,515.33, 23,273.40 and 4,422.20

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Solution

The fourth proportional to 15,515.33, 23,273.40 and 4,422.20 is: 6,633.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.33 : 23,273.40 = 4,422.20 : x
  2. Step 2: Convert to fraction form
    15,515.33/23,273.40 = 4,422.20/x
  3. Step 3: Cross multiply
    15,515.33x = 23,273.40 × 4,422.20
  4. Step 4: Simplify right side
    15,515.33x = 102,919,629.48
  5. Step 5: Solve for x
    x = 102,919,629.48/15,515.33
  6. Step 6: Final answer
    x = 6,633.42

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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.