Home / 18,127.82-25,016.30-10,170.04

Finding the Fourth Proportional to 18,127.82, 25,016.30 and 10,170.04

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Solution

The fourth proportional to 18,127.82, 25,016.30 and 10,170.04 is: 14,034.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.82 : 25,016.30 = 10,170.04 : x
  2. Step 2: Convert to fraction form
    18,127.82/25,016.30 = 10,170.04/x
  3. Step 3: Cross multiply
    18,127.82x = 25,016.30 × 10,170.04
  4. Step 4: Simplify right side
    18,127.82x = 254,416,771.65
  5. Step 5: Solve for x
    x = 254,416,771.65/18,127.82
  6. Step 6: Final answer
    x = 14,034.60

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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.