Home / 18,232.56-27,344.70-11,905.43

Finding the Fourth Proportional to 18,232.56, 27,344.70 and 11,905.43

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Solution

The fourth proportional to 18,232.56, 27,344.70 and 11,905.43 is: 17,855.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,232.56 : 27,344.70 = 11,905.43 : x
  2. Step 2: Convert to fraction form
    18,232.56/27,344.70 = 11,905.43/x
  3. Step 3: Cross multiply
    18,232.56x = 27,344.70 × 11,905.43
  4. Step 4: Simplify right side
    18,232.56x = 325,550,275.00
  5. Step 5: Solve for x
    x = 325,550,275.00/18,232.56
  6. Step 6: Final answer
    x = 17,855.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.