Home / 13,231.23-18,259.44-7,262.85

Finding the Fourth Proportional to 13,231.23, 18,259.44 and 7,262.85

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Solution

The fourth proportional to 13,231.23, 18,259.44 and 7,262.85 is: 10,022.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.23 : 18,259.44 = 7,262.85 : x
  2. Step 2: Convert to fraction form
    13,231.23/18,259.44 = 7,262.85/x
  3. Step 3: Cross multiply
    13,231.23x = 18,259.44 × 7,262.85
  4. Step 4: Simplify right side
    13,231.23x = 132,615,573.80
  5. Step 5: Solve for x
    x = 132,615,573.80/13,231.23
  6. Step 6: Final answer
    x = 10,022.92

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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.