Home / 16,381.23-24,571.85-13,078.86

Finding the Fourth Proportional to 16,381.23, 24,571.85 and 13,078.86

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Solution

The fourth proportional to 16,381.23, 24,571.85 and 13,078.86 is: 19,618.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,381.23 : 24,571.85 = 13,078.86 : x
  2. Step 2: Convert to fraction form
    16,381.23/24,571.85 = 13,078.86/x
  3. Step 3: Cross multiply
    16,381.23x = 24,571.85 × 13,078.86
  4. Step 4: Simplify right side
    16,381.23x = 321,371,720.70
  5. Step 5: Solve for x
    x = 321,371,720.70/16,381.23
  6. Step 6: Final answer
    x = 19,618.29

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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.