Home / 12,029.23-18,045.91-4,131.37

Finding the Fourth Proportional to 12,029.23, 18,045.91 and 4,131.37

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Solution

The fourth proportional to 12,029.23, 18,045.91 and 4,131.37 is: 6,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.23 : 18,045.91 = 4,131.37 : x
  2. Step 2: Convert to fraction form
    12,029.23/18,045.91 = 4,131.37/x
  3. Step 3: Cross multiply
    12,029.23x = 18,045.91 × 4,131.37
  4. Step 4: Simplify right side
    12,029.23x = 74,554,230.64
  5. Step 5: Solve for x
    x = 74,554,230.64/12,029.23
  6. Step 6: Final answer
    x = 6,197.76

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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.