Home / 14,560.11-20,091.56-8,511.77

Finding the Fourth Proportional to 14,560.11, 20,091.56 and 8,511.77

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Solution

The fourth proportional to 14,560.11, 20,091.56 and 8,511.77 is: 11,745.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,560.11 : 20,091.56 = 8,511.77 : x
  2. Step 2: Convert to fraction form
    14,560.11/20,091.56 = 8,511.77/x
  3. Step 3: Cross multiply
    14,560.11x = 20,091.56 × 8,511.77
  4. Step 4: Simplify right side
    14,560.11x = 171,014,696.15
  5. Step 5: Solve for x
    x = 171,014,696.15/14,560.11
  6. Step 6: Final answer
    x = 11,745.43

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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.