Home / 12,766.61-19,143.77-4,446.44

Finding the Fourth Proportional to 12,766.61, 19,143.77 and 4,446.44

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Solution

The fourth proportional to 12,766.61, 19,143.77 and 4,446.44 is: 6,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.61 : 19,143.77 = 4,446.44 : x
  2. Step 2: Convert to fraction form
    12,766.61/19,143.77 = 4,446.44/x
  3. Step 3: Cross multiply
    12,766.61x = 19,143.77 × 4,446.44
  4. Step 4: Simplify right side
    12,766.61x = 85,121,698.71
  5. Step 5: Solve for x
    x = 85,121,698.71/12,766.61
  6. Step 6: Final answer
    x = 6,667.52

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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.