Home / 18,331.08-27,504.49-7,803.41

Finding the Fourth Proportional to 18,331.08, 27,504.49 and 7,803.41

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Solution

The fourth proportional to 18,331.08, 27,504.49 and 7,803.41 is: 11,708.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.08 : 27,504.49 = 7,803.41 : x
  2. Step 2: Convert to fraction form
    18,331.08/27,504.49 = 7,803.41/x
  3. Step 3: Cross multiply
    18,331.08x = 27,504.49 × 7,803.41
  4. Step 4: Simplify right side
    18,331.08x = 214,628,880.03
  5. Step 5: Solve for x
    x = 214,628,880.03/18,331.08
  6. Step 6: Final answer
    x = 11,708.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.