Home / 14,393.28-19,861.97-8,105.25

Finding the Fourth Proportional to 14,393.28, 19,861.97 and 8,105.25

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Solution

The fourth proportional to 14,393.28, 19,861.97 and 8,105.25 is: 11,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,393.28 : 19,861.97 = 8,105.25 : x
  2. Step 2: Convert to fraction form
    14,393.28/19,861.97 = 8,105.25/x
  3. Step 3: Cross multiply
    14,393.28x = 19,861.97 × 8,105.25
  4. Step 4: Simplify right side
    14,393.28x = 160,986,191.82
  5. Step 5: Solve for x
    x = 160,986,191.82/14,393.28
  6. Step 6: Final answer
    x = 11,184.82

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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.