Home / 27,769.56-38,282.14-19,797.94

Finding the Fourth Proportional to 27,769.56, 38,282.14 and 19,797.94

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Solution

The fourth proportional to 27,769.56, 38,282.14 and 19,797.94 is: 27,292.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,769.56 : 38,282.14 = 19,797.94 : x
  2. Step 2: Convert to fraction form
    27,769.56/38,282.14 = 19,797.94/x
  3. Step 3: Cross multiply
    27,769.56x = 38,282.14 × 19,797.94
  4. Step 4: Simplify right side
    27,769.56x = 757,907,510.79
  5. Step 5: Solve for x
    x = 757,907,510.79/27,769.56
  6. Step 6: Final answer
    x = 27,292.74

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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.