Home / 18,144.92-25,040.42-10,187.28

Finding the Fourth Proportional to 18,144.92, 25,040.42 and 10,187.28

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Solution

The fourth proportional to 18,144.92, 25,040.42 and 10,187.28 is: 14,058.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.92 : 25,040.42 = 10,187.28 : x
  2. Step 2: Convert to fraction form
    18,144.92/25,040.42 = 10,187.28/x
  3. Step 3: Cross multiply
    18,144.92x = 25,040.42 × 10,187.28
  4. Step 4: Simplify right side
    18,144.92x = 255,093,718.92
  5. Step 5: Solve for x
    x = 255,093,718.92/18,144.92
  6. Step 6: Final answer
    x = 14,058.69

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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.