Home / 19,733.04-27,230.90-11,771.15

Finding the Fourth Proportional to 19,733.04, 27,230.90 and 11,771.15

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Solution

The fourth proportional to 19,733.04, 27,230.90 and 11,771.15 is: 16,243.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,733.04 : 27,230.90 = 11,771.15 : x
  2. Step 2: Convert to fraction form
    19,733.04/27,230.90 = 11,771.15/x
  3. Step 3: Cross multiply
    19,733.04x = 27,230.90 × 11,771.15
  4. Step 4: Simplify right side
    19,733.04x = 320,538,813.52
  5. Step 5: Solve for x
    x = 320,538,813.52/19,733.04
  6. Step 6: Final answer
    x = 16,243.76

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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.