Home / 18,036.30-27,055.26-6,939.03

Finding the Fourth Proportional to 18,036.30, 27,055.26 and 6,939.03

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Solution

The fourth proportional to 18,036.30, 27,055.26 and 6,939.03 is: 10,408.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036.30 : 27,055.26 = 6,939.03 : x
  2. Step 2: Convert to fraction form
    18,036.30/27,055.26 = 6,939.03/x
  3. Step 3: Cross multiply
    18,036.30x = 27,055.26 × 6,939.03
  4. Step 4: Simplify right side
    18,036.30x = 187,737,260.80
  5. Step 5: Solve for x
    x = 187,737,260.80/18,036.30
  6. Step 6: Final answer
    x = 10,408.86

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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.