Home / 14,516.84-20,033.24-8,229.21

Finding the Fourth Proportional to 14,516.84, 20,033.24 and 8,229.21

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Solution

The fourth proportional to 14,516.84, 20,033.24 and 8,229.21 is: 11,356.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.84 : 20,033.24 = 8,229.21 : x
  2. Step 2: Convert to fraction form
    14,516.84/20,033.24 = 8,229.21/x
  3. Step 3: Cross multiply
    14,516.84x = 20,033.24 × 8,229.21
  4. Step 4: Simplify right side
    14,516.84x = 164,857,697.79
  5. Step 5: Solve for x
    x = 164,857,697.79/14,516.84
  6. Step 6: Final answer
    x = 11,356.31

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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.