Home / 30,182.81-41,651.87-16,754.03

Finding the Fourth Proportional to 30,182.81, 41,651.87 and 16,754.03

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Solution

The fourth proportional to 30,182.81, 41,651.87 and 16,754.03 is: 23,120.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,182.81 : 41,651.87 = 16,754.03 : x
  2. Step 2: Convert to fraction form
    30,182.81/41,651.87 = 16,754.03/x
  3. Step 3: Cross multiply
    30,182.81x = 41,651.87 × 16,754.03
  4. Step 4: Simplify right side
    30,182.81x = 697,836,679.54
  5. Step 5: Solve for x
    x = 697,836,679.54/30,182.81
  6. Step 6: Final answer
    x = 23,120.34

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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.