Home / 26,553.99-39,817.27-7,831.65

Finding the Fourth Proportional to 26,553.99, 39,817.27 and 7,831.65

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Solution

The fourth proportional to 26,553.99, 39,817.27 and 7,831.65 is: 11,743.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,553.99 : 39,817.27 = 7,831.65 : x
  2. Step 2: Convert to fraction form
    26,553.99/39,817.27 = 7,831.65/x
  3. Step 3: Cross multiply
    26,553.99x = 39,817.27 × 7,831.65
  4. Step 4: Simplify right side
    26,553.99x = 311,834,783.07
  5. Step 5: Solve for x
    x = 311,834,783.07/26,553.99
  6. Step 6: Final answer
    x = 11,743.42

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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.