Home / 18,151.03-25,050.85-10,986.73

Finding the Fourth Proportional to 18,151.03, 25,050.85 and 10,986.73

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Solution

The fourth proportional to 18,151.03, 25,050.85 and 10,986.73 is: 15,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.03 : 25,050.85 = 10,986.73 : x
  2. Step 2: Convert to fraction form
    18,151.03/25,050.85 = 10,986.73/x
  3. Step 3: Cross multiply
    18,151.03x = 25,050.85 × 10,986.73
  4. Step 4: Simplify right side
    18,151.03x = 275,226,826.01
  5. Step 5: Solve for x
    x = 275,226,826.01/18,151.03
  6. Step 6: Final answer
    x = 15,163.15

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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.