Home / 18,146.36-25,040.26-10,187.03

Finding the Fourth Proportional to 18,146.36, 25,040.26 and 10,187.03

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Solution

The fourth proportional to 18,146.36, 25,040.26 and 10,187.03 is: 14,057.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.36 : 25,040.26 = 10,187.03 : x
  2. Step 2: Convert to fraction form
    18,146.36/25,040.26 = 10,187.03/x
  3. Step 3: Cross multiply
    18,146.36x = 25,040.26 × 10,187.03
  4. Step 4: Simplify right side
    18,146.36x = 255,085,879.83
  5. Step 5: Solve for x
    x = 255,085,879.83/18,146.36
  6. Step 6: Final answer
    x = 14,057.14

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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.