Home / 18,127.97-25,016.21-10,170.05

Finding the Fourth Proportional to 18,127.97, 25,016.21 and 10,170.05

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Solution

The fourth proportional to 18,127.97, 25,016.21 and 10,170.05 is: 14,034.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.97 : 25,016.21 = 10,170.05 : x
  2. Step 2: Convert to fraction form
    18,127.97/25,016.21 = 10,170.05/x
  3. Step 3: Cross multiply
    18,127.97x = 25,016.21 × 10,170.05
  4. Step 4: Simplify right side
    18,127.97x = 254,416,055.66
  5. Step 5: Solve for x
    x = 254,416,055.66/18,127.97
  6. Step 6: Final answer
    x = 14,034.45

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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.