Home / 26,240.50-39,361.83-7,772.50

Finding the Fourth Proportional to 26,240.50, 39,361.83 and 7,772.50

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Solution

The fourth proportional to 26,240.50, 39,361.83 and 7,772.50 is: 11,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,240.50 : 39,361.83 = 7,772.50 : x
  2. Step 2: Convert to fraction form
    26,240.50/39,361.83 = 7,772.50/x
  3. Step 3: Cross multiply
    26,240.50x = 39,361.83 × 7,772.50
  4. Step 4: Simplify right side
    26,240.50x = 305,939,823.68
  5. Step 5: Solve for x
    x = 305,939,823.68/26,240.50
  6. Step 6: Final answer
    x = 11,659.07

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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.