Home / 30,162.15-41,623.20-16,550.25

Finding the Fourth Proportional to 30,162.15, 41,623.20 and 16,550.25

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Solution

The fourth proportional to 30,162.15, 41,623.20 and 16,550.25 is: 22,839.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,162.15 : 41,623.20 = 16,550.25 : x
  2. Step 2: Convert to fraction form
    30,162.15/41,623.20 = 16,550.25/x
  3. Step 3: Cross multiply
    30,162.15x = 41,623.20 × 16,550.25
  4. Step 4: Simplify right side
    30,162.15x = 688,874,365.80
  5. Step 5: Solve for x
    x = 688,874,365.80/30,162.15
  6. Step 6: Final answer
    x = 22,839.03

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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.