Home / 27,672.89-38,194.27-16,919.60

Finding the Fourth Proportional to 27,672.89, 38,194.27 and 16,919.60

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Solution

The fourth proportional to 27,672.89, 38,194.27 and 16,919.60 is: 23,352.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,672.89 : 38,194.27 = 16,919.60 : x
  2. Step 2: Convert to fraction form
    27,672.89/38,194.27 = 16,919.60/x
  3. Step 3: Cross multiply
    27,672.89x = 38,194.27 × 16,919.60
  4. Step 4: Simplify right side
    27,672.89x = 646,231,537.42
  5. Step 5: Solve for x
    x = 646,231,537.42/27,672.89
  6. Step 6: Final answer
    x = 23,352.52

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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.