Home / 18,601.42-27,891.63-6,118.07

Finding the Fourth Proportional to 18,601.42, 27,891.63 and 6,118.07

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Solution

The fourth proportional to 18,601.42, 27,891.63 and 6,118.07 is: 9,173.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.42 : 27,891.63 = 6,118.07 : x
  2. Step 2: Convert to fraction form
    18,601.42/27,891.63 = 6,118.07/x
  3. Step 3: Cross multiply
    18,601.42x = 27,891.63 × 6,118.07
  4. Step 4: Simplify right side
    18,601.42x = 170,643,014.48
  5. Step 5: Solve for x
    x = 170,643,014.48/18,601.42
  6. Step 6: Final answer
    x = 9,173.66

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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.