Home / 14,127.55-21,198.61-5,813.71

Finding the Fourth Proportional to 14,127.55, 21,198.61 and 5,813.71

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Solution

The fourth proportional to 14,127.55, 21,198.61 and 5,813.71 is: 8,723.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.55 : 21,198.61 = 5,813.71 : x
  2. Step 2: Convert to fraction form
    14,127.55/21,198.61 = 5,813.71/x
  3. Step 3: Cross multiply
    14,127.55x = 21,198.61 × 5,813.71
  4. Step 4: Simplify right side
    14,127.55x = 123,242,525.21
  5. Step 5: Solve for x
    x = 123,242,525.21/14,127.55
  6. Step 6: Final answer
    x = 8,723.56

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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.