Home / 26,550.90-39,807.86-11,751.80

Finding the Fourth Proportional to 26,550.90, 39,807.86 and 11,751.80

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Solution

The fourth proportional to 26,550.90, 39,807.86 and 11,751.80 is: 17,619.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,550.90 : 39,807.86 = 11,751.80 : x
  2. Step 2: Convert to fraction form
    26,550.90/39,807.86 = 11,751.80/x
  3. Step 3: Cross multiply
    26,550.90x = 39,807.86 × 11,751.80
  4. Step 4: Simplify right side
    26,550.90x = 467,813,751.35
  5. Step 5: Solve for x
    x = 467,813,751.35/26,550.90
  6. Step 6: Final answer
    x = 17,619.51

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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.