Home / 18,003.07-27,007.81-6,158.16

Finding the Fourth Proportional to 18,003.07, 27,007.81 and 6,158.16

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Solution

The fourth proportional to 18,003.07, 27,007.81 and 6,158.16 is: 9,238.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,003.07 : 27,007.81 = 6,158.16 : x
  2. Step 2: Convert to fraction form
    18,003.07/27,007.81 = 6,158.16/x
  3. Step 3: Cross multiply
    18,003.07x = 27,007.81 × 6,158.16
  4. Step 4: Simplify right side
    18,003.07x = 166,318,399.83
  5. Step 5: Solve for x
    x = 166,318,399.83/18,003.07
  6. Step 6: Final answer
    x = 9,238.33

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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.