Home / 26,078.09-39,137.67-9,454.19

Finding the Fourth Proportional to 26,078.09, 39,137.67 and 9,454.19

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Solution

The fourth proportional to 26,078.09, 39,137.67 and 9,454.19 is: 14,188.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078.09 : 39,137.67 = 9,454.19 : x
  2. Step 2: Convert to fraction form
    26,078.09/39,137.67 = 9,454.19/x
  3. Step 3: Cross multiply
    26,078.09x = 39,137.67 × 9,454.19
  4. Step 4: Simplify right side
    26,078.09x = 370,014,772.65
  5. Step 5: Solve for x
    x = 370,014,772.65/26,078.09
  6. Step 6: Final answer
    x = 14,188.72

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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.