Home / 18,574.36-25,617.66-16,331.48

Finding the Fourth Proportional to 18,574.36, 25,617.66 and 16,331.48

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Solution

The fourth proportional to 18,574.36, 25,617.66 and 16,331.48 is: 22,524.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574.36 : 25,617.66 = 16,331.48 : x
  2. Step 2: Convert to fraction form
    18,574.36/25,617.66 = 16,331.48/x
  3. Step 3: Cross multiply
    18,574.36x = 25,617.66 × 16,331.48
  4. Step 4: Simplify right side
    18,574.36x = 418,374,301.94
  5. Step 5: Solve for x
    x = 418,374,301.94/18,574.36
  6. Step 6: Final answer
    x = 22,524.29

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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.