Home / 26,255.25-39,389.36-7,787.25

Finding the Fourth Proportional to 26,255.25, 39,389.36 and 7,787.25

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Solution

The fourth proportional to 26,255.25, 39,389.36 and 7,787.25 is: 11,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,255.25 : 39,389.36 = 7,787.25 : x
  2. Step 2: Convert to fraction form
    26,255.25/39,389.36 = 7,787.25/x
  3. Step 3: Cross multiply
    26,255.25x = 39,389.36 × 7,787.25
  4. Step 4: Simplify right side
    26,255.25x = 306,734,754.72
  5. Step 5: Solve for x
    x = 306,734,754.72/26,255.25
  6. Step 6: Final answer
    x = 11,682.80

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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.