Home / 29,619.54-40,874.87-16,190.80

Finding the Fourth Proportional to 29,619.54, 40,874.87 and 16,190.80

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Solution

The fourth proportional to 29,619.54, 40,874.87 and 16,190.80 is: 22,343.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,619.54 : 40,874.87 = 16,190.80 : x
  2. Step 2: Convert to fraction form
    29,619.54/40,874.87 = 16,190.80/x
  3. Step 3: Cross multiply
    29,619.54x = 40,874.87 × 16,190.80
  4. Step 4: Simplify right side
    29,619.54x = 661,796,783.49
  5. Step 5: Solve for x
    x = 661,796,783.49/29,619.54
  6. Step 6: Final answer
    x = 22,343.25

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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.