Home / 13,448.56-18,559.91-7,481.29

Finding the Fourth Proportional to 13,448.56, 18,559.91 and 7,481.29

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Solution

The fourth proportional to 13,448.56, 18,559.91 and 7,481.29 is: 10,324.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.56 : 18,559.91 = 7,481.29 : x
  2. Step 2: Convert to fraction form
    13,448.56/18,559.91 = 7,481.29/x
  3. Step 3: Cross multiply
    13,448.56x = 18,559.91 × 7,481.29
  4. Step 4: Simplify right side
    13,448.56x = 138,852,069.08
  5. Step 5: Solve for x
    x = 138,852,069.08/13,448.56
  6. Step 6: Final answer
    x = 10,324.68

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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.