Home / 14,099.56-21,149.58-5,338.60

Finding the Fourth Proportional to 14,099.56, 21,149.58 and 5,338.60

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Solution

The fourth proportional to 14,099.56, 21,149.58 and 5,338.60 is: 8,007.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.56 : 21,149.58 = 5,338.60 : x
  2. Step 2: Convert to fraction form
    14,099.56/21,149.58 = 5,338.60/x
  3. Step 3: Cross multiply
    14,099.56x = 21,149.58 × 5,338.60
  4. Step 4: Simplify right side
    14,099.56x = 112,909,147.79
  5. Step 5: Solve for x
    x = 112,909,147.79/14,099.56
  6. Step 6: Final answer
    x = 8,007.99

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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.