Home / 14,179.41-19,559.48-8,865

Finding the Fourth Proportional to 14,179.41, 19,559.48 and 8,865

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Solution

The fourth proportional to 14,179.41, 19,559.48 and 8,865 is: 12,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.41 : 19,559.48 = 8,865 : x
  2. Step 2: Convert to fraction form
    14,179.41/19,559.48 = 8,865/x
  3. Step 3: Cross multiply
    14,179.41x = 19,559.48 × 8,865
  4. Step 4: Simplify right side
    14,179.41x = 173,394,745.88
  5. Step 5: Solve for x
    x = 173,394,745.88/14,179.41
  6. Step 6: Final answer
    x = 12,228.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.