Home / 26,571.15-36,670.78-19,845.10

Finding the Fourth Proportional to 26,571.15, 36,670.78 and 19,845.10

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Solution

The fourth proportional to 26,571.15, 36,670.78 and 19,845.10 is: 27,388.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,571.15 : 36,670.78 = 19,845.10 : x
  2. Step 2: Convert to fraction form
    26,571.15/36,670.78 = 19,845.10/x
  3. Step 3: Cross multiply
    26,571.15x = 36,670.78 × 19,845.10
  4. Step 4: Simplify right side
    26,571.15x = 727,735,292.40
  5. Step 5: Solve for x
    x = 727,735,292.40/26,571.15
  6. Step 6: Final answer
    x = 27,388.17

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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.