Home / 19,724.10-27,216.25-11,766.34

Finding the Fourth Proportional to 19,724.10, 27,216.25 and 11,766.34

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Solution

The fourth proportional to 19,724.10, 27,216.25 and 11,766.34 is: 16,235.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,724.10 : 27,216.25 = 11,766.34 : x
  2. Step 2: Convert to fraction form
    19,724.10/27,216.25 = 11,766.34/x
  3. Step 3: Cross multiply
    19,724.10x = 27,216.25 × 11,766.34
  4. Step 4: Simplify right side
    19,724.10x = 320,235,651.03
  5. Step 5: Solve for x
    x = 320,235,651.03/19,724.10
  6. Step 6: Final answer
    x = 16,235.75

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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.