Home / 25,745.90-38,661.78-17,366.39

Finding the Fourth Proportional to 25,745.90, 38,661.78 and 17,366.39

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Solution

The fourth proportional to 25,745.90, 38,661.78 and 17,366.39 is: 26,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,745.90 : 38,661.78 = 17,366.39 : x
  2. Step 2: Convert to fraction form
    25,745.90/38,661.78 = 17,366.39/x
  3. Step 3: Cross multiply
    25,745.90x = 38,661.78 × 17,366.39
  4. Step 4: Simplify right side
    25,745.90x = 671,415,356.27
  5. Step 5: Solve for x
    x = 671,415,356.27/25,745.90
  6. Step 6: Final answer
    x = 26,078.54

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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.