Home / 19,723.88-27,222.50-11,766.64

Finding the Fourth Proportional to 19,723.88, 27,222.50 and 11,766.64

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Solution

The fourth proportional to 19,723.88, 27,222.50 and 11,766.64 is: 16,240.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.88 : 27,222.50 = 11,766.64 : x
  2. Step 2: Convert to fraction form
    19,723.88/27,222.50 = 11,766.64/x
  3. Step 3: Cross multiply
    19,723.88x = 27,222.50 × 11,766.64
  4. Step 4: Simplify right side
    19,723.88x = 320,317,357.40
  5. Step 5: Solve for x
    x = 320,317,357.40/19,723.88
  6. Step 6: Final answer
    x = 16,240.08

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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.