Home / 14,119.56-19,504.98-11,305.62

Finding the Fourth Proportional to 14,119.56, 19,504.98 and 11,305.62

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Solution

The fourth proportional to 14,119.56, 19,504.98 and 11,305.62 is: 15,617.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.56 : 19,504.98 = 11,305.62 : x
  2. Step 2: Convert to fraction form
    14,119.56/19,504.98 = 11,305.62/x
  3. Step 3: Cross multiply
    14,119.56x = 19,504.98 × 11,305.62
  4. Step 4: Simplify right side
    14,119.56x = 220,515,891.99
  5. Step 5: Solve for x
    x = 220,515,891.99/14,119.56
  6. Step 6: Final answer
    x = 15,617.76

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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.