Home / 13,231.35-18,259.92-7,262.97

Finding the Fourth Proportional to 13,231.35, 18,259.92 and 7,262.97

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Solution

The fourth proportional to 13,231.35, 18,259.92 and 7,262.97 is: 10,023.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.35 : 18,259.92 = 7,262.97 : x
  2. Step 2: Convert to fraction form
    13,231.35/18,259.92 = 7,262.97/x
  3. Step 3: Cross multiply
    13,231.35x = 18,259.92 × 7,262.97
  4. Step 4: Simplify right side
    13,231.35x = 132,621,251.16
  5. Step 5: Solve for x
    x = 132,621,251.16/13,231.35
  6. Step 6: Final answer
    x = 10,023.26

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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.