Home / 19,933.38-27,505.99-12,275.43

Finding the Fourth Proportional to 19,933.38, 27,505.99 and 12,275.43

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Solution

The fourth proportional to 19,933.38, 27,505.99 and 12,275.43 is: 16,938.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.38 : 27,505.99 = 12,275.43 : x
  2. Step 2: Convert to fraction form
    19,933.38/27,505.99 = 12,275.43/x
  3. Step 3: Cross multiply
    19,933.38x = 27,505.99 × 12,275.43
  4. Step 4: Simplify right side
    19,933.38x = 337,647,854.83
  5. Step 5: Solve for x
    x = 337,647,854.83/19,933.38
  6. Step 6: Final answer
    x = 16,938.82

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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.