Home / 14,910.44-20,578.19-8,941.91

Finding the Fourth Proportional to 14,910.44, 20,578.19 and 8,941.91

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Solution

The fourth proportional to 14,910.44, 20,578.19 and 8,941.91 is: 12,340.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.44 : 20,578.19 = 8,941.91 : x
  2. Step 2: Convert to fraction form
    14,910.44/20,578.19 = 8,941.91/x
  3. Step 3: Cross multiply
    14,910.44x = 20,578.19 × 8,941.91
  4. Step 4: Simplify right side
    14,910.44x = 184,008,175.34
  5. Step 5: Solve for x
    x = 184,008,175.34/14,910.44
  6. Step 6: Final answer
    x = 12,340.90

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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.