Home / 30,183.12-41,648.28-16,754.49

Finding the Fourth Proportional to 30,183.12, 41,648.28 and 16,754.49

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Solution

The fourth proportional to 30,183.12, 41,648.28 and 16,754.49 is: 23,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,183.12 : 41,648.28 = 16,754.49 : x
  2. Step 2: Convert to fraction form
    30,183.12/41,648.28 = 16,754.49/x
  3. Step 3: Cross multiply
    30,183.12x = 41,648.28 × 16,754.49
  4. Step 4: Simplify right side
    30,183.12x = 697,795,690.78
  5. Step 5: Solve for x
    x = 697,795,690.78/30,183.12
  6. Step 6: Final answer
    x = 23,118.74

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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.