Home / 18,112.96-27,164.17-7,017.18

Finding the Fourth Proportional to 18,112.96, 27,164.17 and 7,017.18

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Solution

The fourth proportional to 18,112.96, 27,164.17 and 7,017.18 is: 10,523.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.96 : 27,164.17 = 7,017.18 : x
  2. Step 2: Convert to fraction form
    18,112.96/27,164.17 = 7,017.18/x
  3. Step 3: Cross multiply
    18,112.96x = 27,164.17 × 7,017.18
  4. Step 4: Simplify right side
    18,112.96x = 190,615,870.44
  5. Step 5: Solve for x
    x = 190,615,870.44/18,112.96
  6. Step 6: Final answer
    x = 10,523.73

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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.