Home / 13,769.08-19,001.30-7,481.48

Finding the Fourth Proportional to 13,769.08, 19,001.30 and 7,481.48

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Solution

The fourth proportional to 13,769.08, 19,001.30 and 7,481.48 is: 10,324.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.08 : 19,001.30 = 7,481.48 : x
  2. Step 2: Convert to fraction form
    13,769.08/19,001.30 = 7,481.48/x
  3. Step 3: Cross multiply
    13,769.08x = 19,001.30 × 7,481.48
  4. Step 4: Simplify right side
    13,769.08x = 142,157,845.92
  5. Step 5: Solve for x
    x = 142,157,845.92/13,769.08
  6. Step 6: Final answer
    x = 10,324.43

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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.