Home / 12,029.16-18,044.76-3,144.48

Finding the Fourth Proportional to 12,029.16, 18,044.76 and 3,144.48

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Solution

The fourth proportional to 12,029.16, 18,044.76 and 3,144.48 is: 4,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.16 : 18,044.76 = 3,144.48 : x
  2. Step 2: Convert to fraction form
    12,029.16/18,044.76 = 3,144.48/x
  3. Step 3: Cross multiply
    12,029.16x = 18,044.76 × 3,144.48
  4. Step 4: Simplify right side
    12,029.16x = 56,741,319.42
  5. Step 5: Solve for x
    x = 56,741,319.42/12,029.16
  6. Step 6: Final answer
    x = 4,716.98

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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.