Home / 19,927.80-27,501.48-11,976.84

Finding the Fourth Proportional to 19,927.80, 27,501.48 and 11,976.84

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Solution

The fourth proportional to 19,927.80, 27,501.48 and 11,976.84 is: 16,528.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.80 : 27,501.48 = 11,976.84 : x
  2. Step 2: Convert to fraction form
    19,927.80/27,501.48 = 11,976.84/x
  3. Step 3: Cross multiply
    19,927.80x = 27,501.48 × 11,976.84
  4. Step 4: Simplify right side
    19,927.80x = 329,380,825.72
  5. Step 5: Solve for x
    x = 329,380,825.72/19,927.80
  6. Step 6: Final answer
    x = 16,528.71

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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.