Home / 31,682.12-43,724.58-18,253.88

Finding the Fourth Proportional to 31,682.12, 43,724.58 and 18,253.88

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Solution

The fourth proportional to 31,682.12, 43,724.58 and 18,253.88 is: 25,192.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,682.12 : 43,724.58 = 18,253.88 : x
  2. Step 2: Convert to fraction form
    31,682.12/43,724.58 = 18,253.88/x
  3. Step 3: Cross multiply
    31,682.12x = 43,724.58 × 18,253.88
  4. Step 4: Simplify right side
    31,682.12x = 798,143,236.37
  5. Step 5: Solve for x
    x = 798,143,236.37/31,682.12
  6. Step 6: Final answer
    x = 25,192.23

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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.