Home / 14,560.17-20,091.65-8,511.83

Finding the Fourth Proportional to 14,560.17, 20,091.65 and 8,511.83

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Solution

The fourth proportional to 14,560.17, 20,091.65 and 8,511.83 is: 11,745.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,560.17 : 20,091.65 = 8,511.83 : x
  2. Step 2: Convert to fraction form
    14,560.17/20,091.65 = 8,511.83/x
  3. Step 3: Cross multiply
    14,560.17x = 20,091.65 × 8,511.83
  4. Step 4: Simplify right side
    14,560.17x = 171,016,666.66
  5. Step 5: Solve for x
    x = 171,016,666.66/14,560.17
  6. Step 6: Final answer
    x = 11,745.51

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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.