Home / 19,927.37-27,499.85-11,969.73

Finding the Fourth Proportional to 19,927.37, 27,499.85 and 11,969.73

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Solution

The fourth proportional to 19,927.37, 27,499.85 and 11,969.73 is: 16,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.37 : 27,499.85 = 11,969.73 : x
  2. Step 2: Convert to fraction form
    19,927.37/27,499.85 = 11,969.73/x
  3. Step 3: Cross multiply
    19,927.37x = 27,499.85 × 11,969.73
  4. Step 4: Simplify right side
    19,927.37x = 329,165,779.54
  5. Step 5: Solve for x
    x = 329,165,779.54/19,927.37
  6. Step 6: Final answer
    x = 16,518.28

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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.