Home / 30,183.39-41,651.16-18,852.21

Finding the Fourth Proportional to 30,183.39, 41,651.16 and 18,852.21

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Solution

The fourth proportional to 30,183.39, 41,651.16 and 18,852.21 is: 26,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,183.39 : 41,651.16 = 18,852.21 : x
  2. Step 2: Convert to fraction form
    30,183.39/41,651.16 = 18,852.21/x
  3. Step 3: Cross multiply
    30,183.39x = 41,651.16 × 18,852.21
  4. Step 4: Simplify right side
    30,183.39x = 785,216,415.06
  5. Step 5: Solve for x
    x = 785,216,415.06/30,183.39
  6. Step 6: Final answer
    x = 26,014.85

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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.