Home / 18,723.09-25,956.18-17,724.36

Finding the Fourth Proportional to 18,723.09, 25,956.18 and 17,724.36

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Solution

The fourth proportional to 18,723.09, 25,956.18 and 17,724.36 is: 24,571.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.09 : 25,956.18 = 17,724.36 : x
  2. Step 2: Convert to fraction form
    18,723.09/25,956.18 = 17,724.36/x
  3. Step 3: Cross multiply
    18,723.09x = 25,956.18 × 17,724.36
  4. Step 4: Simplify right side
    18,723.09x = 460,056,678.54
  5. Step 5: Solve for x
    x = 460,056,678.54/18,723.09
  6. Step 6: Final answer
    x = 24,571.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.