Home / 26,550.90-39,812.64-7,828.56

Finding the Fourth Proportional to 26,550.90, 39,812.64 and 7,828.56

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Solution

The fourth proportional to 26,550.90, 39,812.64 and 7,828.56 is: 11,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,550.90 : 39,812.64 = 7,828.56 : x
  2. Step 2: Convert to fraction form
    26,550.90/39,812.64 = 7,828.56/x
  3. Step 3: Cross multiply
    26,550.90x = 39,812.64 × 7,828.56
  4. Step 4: Simplify right side
    26,550.90x = 311,675,641.00
  5. Step 5: Solve for x
    x = 311,675,641.00/26,550.90
  6. Step 6: Final answer
    x = 11,738.80

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1.5x scale

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.