Home / 16,450.21-22,701.22-8,896.55

Finding the Fourth Proportional to 16,450.21, 22,701.22 and 8,896.55

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Solution

The fourth proportional to 16,450.21, 22,701.22 and 8,896.55 is: 12,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,450.21 : 22,701.22 = 8,896.55 : x
  2. Step 2: Convert to fraction form
    16,450.21/22,701.22 = 8,896.55/x
  3. Step 3: Cross multiply
    16,450.21x = 22,701.22 × 8,896.55
  4. Step 4: Simplify right side
    16,450.21x = 201,962,543.78
  5. Step 5: Solve for x
    x = 201,962,543.78/16,450.21
  6. Step 6: Final answer
    x = 12,277.20

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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.