Home / 17,690.10-24,382.32-11,711.39

Finding the Fourth Proportional to 17,690.10, 24,382.32 and 11,711.39

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Solution

The fourth proportional to 17,690.10, 24,382.32 and 11,711.39 is: 16,141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,690.10 : 24,382.32 = 11,711.39 : x
  2. Step 2: Convert to fraction form
    17,690.10/24,382.32 = 11,711.39/x
  3. Step 3: Cross multiply
    17,690.10x = 24,382.32 × 11,711.39
  4. Step 4: Simplify right side
    17,690.10x = 285,550,692.80
  5. Step 5: Solve for x
    x = 285,550,692.80/17,690.10
  6. Step 6: Final answer
    x = 16,141.84

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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.