Home / 14,080.24-19,430.67-8,112.97

Finding the Fourth Proportional to 14,080.24, 19,430.67 and 8,112.97

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Solution

The fourth proportional to 14,080.24, 19,430.67 and 8,112.97 is: 11,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080.24 : 19,430.67 = 8,112.97 : x
  2. Step 2: Convert to fraction form
    14,080.24/19,430.67 = 8,112.97/x
  3. Step 3: Cross multiply
    14,080.24x = 19,430.67 × 8,112.97
  4. Step 4: Simplify right side
    14,080.24x = 157,640,442.79
  5. Step 5: Solve for x
    x = 157,640,442.79/14,080.24
  6. Step 6: Final answer
    x = 11,195.86

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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.