Home / 18,399.75-25,391.66-10,016.25

Finding the Fourth Proportional to 18,399.75, 25,391.66 and 10,016.25

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Solution

The fourth proportional to 18,399.75, 25,391.66 and 10,016.25 is: 13,822.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399.75 : 25,391.66 = 10,016.25 : x
  2. Step 2: Convert to fraction form
    18,399.75/25,391.66 = 10,016.25/x
  3. Step 3: Cross multiply
    18,399.75x = 25,391.66 × 10,016.25
  4. Step 4: Simplify right side
    18,399.75x = 254,329,214.48
  5. Step 5: Solve for x
    x = 254,329,214.48/18,399.75
  6. Step 6: Final answer
    x = 13,822.43

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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.