Home / 16,172.28-22,315.92-9,098.55

Finding the Fourth Proportional to 16,172.28, 22,315.92 and 9,098.55

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Solution

The fourth proportional to 16,172.28, 22,315.92 and 9,098.55 is: 12,554.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,172.28 : 22,315.92 = 9,098.55 : x
  2. Step 2: Convert to fraction form
    16,172.28/22,315.92 = 9,098.55/x
  3. Step 3: Cross multiply
    16,172.28x = 22,315.92 × 9,098.55
  4. Step 4: Simplify right side
    16,172.28x = 203,042,513.92
  5. Step 5: Solve for x
    x = 203,042,513.92/16,172.28
  6. Step 6: Final answer
    x = 12,554.97

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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.