Home / 14,516.80-21,760.46-5,629.74

Finding the Fourth Proportional to 14,516.80, 21,760.46 and 5,629.74

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Solution

The fourth proportional to 14,516.80, 21,760.46 and 5,629.74 is: 8,438.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.80 : 21,760.46 = 5,629.74 : x
  2. Step 2: Convert to fraction form
    14,516.80/21,760.46 = 5,629.74/x
  3. Step 3: Cross multiply
    14,516.80x = 21,760.46 × 5,629.74
  4. Step 4: Simplify right side
    14,516.80x = 122,505,732.08
  5. Step 5: Solve for x
    x = 122,505,732.08/14,516.80
  6. Step 6: Final answer
    x = 8,438.89

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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.