Home / 18,722.09-25,954.79-17,723.36

Finding the Fourth Proportional to 18,722.09, 25,954.79 and 17,723.36

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Solution

The fourth proportional to 18,722.09, 25,954.79 and 17,723.36 is: 24,570.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.09 : 25,954.79 = 17,723.36 : x
  2. Step 2: Convert to fraction form
    18,722.09/25,954.79 = 17,723.36/x
  3. Step 3: Cross multiply
    18,722.09x = 25,954.79 × 17,723.36
  4. Step 4: Simplify right side
    18,722.09x = 460,006,086.89
  5. Step 5: Solve for x
    x = 460,006,086.89/18,722.09
  6. Step 6: Final answer
    x = 24,570.23

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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.