Home / 30,185.04-41,653.38-16,755.64

Finding the Fourth Proportional to 30,185.04, 41,653.38 and 16,755.64

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Solution

The fourth proportional to 30,185.04, 41,653.38 and 16,755.64 is: 23,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,185.04 : 41,653.38 = 16,755.64 : x
  2. Step 2: Convert to fraction form
    30,185.04/41,653.38 = 16,755.64/x
  3. Step 3: Cross multiply
    30,185.04x = 41,653.38 × 16,755.64
  4. Step 4: Simplify right side
    30,185.04x = 697,929,040.06
  5. Step 5: Solve for x
    x = 697,929,040.06/30,185.04
  6. Step 6: Final answer
    x = 23,121.69

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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.