Home / 18,625.67-27,932.56-6,143.36

Finding the Fourth Proportional to 18,625.67, 27,932.56 and 6,143.36

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Solution

The fourth proportional to 18,625.67, 27,932.56 and 6,143.36 is: 9,213.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.67 : 27,932.56 = 6,143.36 : x
  2. Step 2: Convert to fraction form
    18,625.67/27,932.56 = 6,143.36/x
  3. Step 3: Cross multiply
    18,625.67x = 27,932.56 × 6,143.36
  4. Step 4: Simplify right side
    18,625.67x = 171,599,771.80
  5. Step 5: Solve for x
    x = 171,599,771.80/18,625.67
  6. Step 6: Final answer
    x = 9,213.08

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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.