Home / 14,382.09-19,789.79-11,023.70

Finding the Fourth Proportional to 14,382.09, 19,789.79 and 11,023.70

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Solution

The fourth proportional to 14,382.09, 19,789.79 and 11,023.70 is: 15,168.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382.09 : 19,789.79 = 11,023.70 : x
  2. Step 2: Convert to fraction form
    14,382.09/19,789.79 = 11,023.70/x
  3. Step 3: Cross multiply
    14,382.09x = 19,789.79 × 11,023.70
  4. Step 4: Simplify right side
    14,382.09x = 218,156,553.96
  5. Step 5: Solve for x
    x = 218,156,553.96/14,382.09
  6. Step 6: Final answer
    x = 15,168.63

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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.