Home / 26,583.43-39,809.49-19,812.78

Finding the Fourth Proportional to 26,583.43, 39,809.49 and 19,812.78

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Solution

The fourth proportional to 26,583.43, 39,809.49 and 19,812.78 is: 29,670.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,583.43 : 39,809.49 = 19,812.78 : x
  2. Step 2: Convert to fraction form
    26,583.43/39,809.49 = 19,812.78/x
  3. Step 3: Cross multiply
    26,583.43x = 39,809.49 × 19,812.78
  4. Step 4: Simplify right side
    26,583.43x = 788,736,468.69
  5. Step 5: Solve for x
    x = 788,736,468.69/26,583.43
  6. Step 6: Final answer
    x = 29,670.24

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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.