Home / 14,576.20-21,815.70-12,826.60

Finding the Fourth Proportional to 14,576.20, 21,815.70 and 12,826.60

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Solution

The fourth proportional to 14,576.20, 21,815.70 and 12,826.60 is: 19,197.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,576.20 : 21,815.70 = 12,826.60 : x
  2. Step 2: Convert to fraction form
    14,576.20/21,815.70 = 12,826.60/x
  3. Step 3: Cross multiply
    14,576.20x = 21,815.70 × 12,826.60
  4. Step 4: Simplify right side
    14,576.20x = 279,821,257.62
  5. Step 5: Solve for x
    x = 279,821,257.62/14,576.20
  6. Step 6: Final answer
    x = 19,197.13

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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.