Home / 26,568.76-39,828.52-11,769.79

Finding the Fourth Proportional to 26,568.76, 39,828.52 and 11,769.79

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Solution

The fourth proportional to 26,568.76, 39,828.52 and 11,769.79 is: 17,643.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,568.76 : 39,828.52 = 11,769.79 : x
  2. Step 2: Convert to fraction form
    26,568.76/39,828.52 = 11,769.79/x
  3. Step 3: Cross multiply
    26,568.76x = 39,828.52 × 11,769.79
  4. Step 4: Simplify right side
    26,568.76x = 468,773,316.41
  5. Step 5: Solve for x
    x = 468,773,316.41/26,568.76
  6. Step 6: Final answer
    x = 17,643.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.