Home / 14,558.88-20,091.26-8,271.25

Finding the Fourth Proportional to 14,558.88, 20,091.26 and 8,271.25

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Solution

The fourth proportional to 14,558.88, 20,091.26 and 8,271.25 is: 11,414.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558.88 : 20,091.26 = 8,271.25 : x
  2. Step 2: Convert to fraction form
    14,558.88/20,091.26 = 8,271.25/x
  3. Step 3: Cross multiply
    14,558.88x = 20,091.26 × 8,271.25
  4. Step 4: Simplify right side
    14,558.88x = 166,179,834.28
  5. Step 5: Solve for x
    x = 166,179,834.28/14,558.88
  6. Step 6: Final answer
    x = 11,414.33

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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.