Home / 14,315.38-19,755.22-8,027.75

Finding the Fourth Proportional to 14,315.38, 19,755.22 and 8,027.75

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Solution

The fourth proportional to 14,315.38, 19,755.22 and 8,027.75 is: 11,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.38 : 19,755.22 = 8,027.75 : x
  2. Step 2: Convert to fraction form
    14,315.38/19,755.22 = 8,027.75/x
  3. Step 3: Cross multiply
    14,315.38x = 19,755.22 × 8,027.75
  4. Step 4: Simplify right side
    14,315.38x = 158,589,967.36
  5. Step 5: Solve for x
    x = 158,589,967.36/14,315.38
  6. Step 6: Final answer
    x = 11,078.29

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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.