Home / 18,790.22-25,861.46-16,107.50

Finding the Fourth Proportional to 18,790.22, 25,861.46 and 16,107.50

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Solution

The fourth proportional to 18,790.22, 25,861.46 and 16,107.50 is: 22,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790.22 : 25,861.46 = 16,107.50 : x
  2. Step 2: Convert to fraction form
    18,790.22/25,861.46 = 16,107.50/x
  3. Step 3: Cross multiply
    18,790.22x = 25,861.46 × 16,107.50
  4. Step 4: Simplify right side
    18,790.22x = 416,563,466.95
  5. Step 5: Solve for x
    x = 416,563,466.95/18,790.22
  6. Step 6: Final answer
    x = 22,169.16

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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.