Home / 18,250.91-25,186.44-10,185.29

Finding the Fourth Proportional to 18,250.91, 25,186.44 and 10,185.29

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Solution

The fourth proportional to 18,250.91, 25,186.44 and 10,185.29 is: 14,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.91 : 25,186.44 = 10,185.29 : x
  2. Step 2: Convert to fraction form
    18,250.91/25,186.44 = 10,185.29/x
  3. Step 3: Cross multiply
    18,250.91x = 25,186.44 × 10,185.29
  4. Step 4: Simplify right side
    18,250.91x = 256,531,069.54
  5. Step 5: Solve for x
    x = 256,531,069.54/18,250.91
  6. Step 6: Final answer
    x = 14,055.80

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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.