Home / 14,198.73-21,295.64-5,311.68

Finding the Fourth Proportional to 14,198.73, 21,295.64 and 5,311.68

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Solution

The fourth proportional to 14,198.73, 21,295.64 and 5,311.68 is: 7,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,198.73 : 21,295.64 = 5,311.68 : x
  2. Step 2: Convert to fraction form
    14,198.73/21,295.64 = 5,311.68/x
  3. Step 3: Cross multiply
    14,198.73x = 21,295.64 × 5,311.68
  4. Step 4: Simplify right side
    14,198.73x = 113,115,558.50
  5. Step 5: Solve for x
    x = 113,115,558.50/14,198.73
  6. Step 6: Final answer
    x = 7,966.60

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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.