Home / 16,391.88-22,589.33-11,346.75

Finding the Fourth Proportional to 16,391.88, 22,589.33 and 11,346.75

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Solution

The fourth proportional to 16,391.88, 22,589.33 and 11,346.75 is: 15,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391.88 : 22,589.33 = 11,346.75 : x
  2. Step 2: Convert to fraction form
    16,391.88/22,589.33 = 11,346.75/x
  3. Step 3: Cross multiply
    16,391.88x = 22,589.33 × 11,346.75
  4. Step 4: Simplify right side
    16,391.88x = 256,315,480.18
  5. Step 5: Solve for x
    x = 256,315,480.18/16,391.88
  6. Step 6: Final answer
    x = 15,636.73

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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.