Home / 19,673.94-27,151.38-12,020.49

Finding the Fourth Proportional to 19,673.94, 27,151.38 and 12,020.49

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Solution

The fourth proportional to 19,673.94, 27,151.38 and 12,020.49 is: 16,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,673.94 : 27,151.38 = 12,020.49 : x
  2. Step 2: Convert to fraction form
    19,673.94/27,151.38 = 12,020.49/x
  3. Step 3: Cross multiply
    19,673.94x = 27,151.38 × 12,020.49
  4. Step 4: Simplify right side
    19,673.94x = 326,372,891.78
  5. Step 5: Solve for x
    x = 326,372,891.78/19,673.94
  6. Step 6: Final answer
    x = 16,589.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.