Home / 12,417.75-18,626.67-11,794.86

Finding the Fourth Proportional to 12,417.75, 18,626.67 and 11,794.86

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Solution

The fourth proportional to 12,417.75, 18,626.67 and 11,794.86 is: 17,692.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,417.75 : 18,626.67 = 11,794.86 : x
  2. Step 2: Convert to fraction form
    12,417.75/18,626.67 = 11,794.86/x
  3. Step 3: Cross multiply
    12,417.75x = 18,626.67 × 11,794.86
  4. Step 4: Simplify right side
    12,417.75x = 219,698,964.92
  5. Step 5: Solve for x
    x = 219,698,964.92/12,417.75
  6. Step 6: Final answer
    x = 17,692.33

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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.