Home / 14,896.10-20,557.72-9,231.96

Finding the Fourth Proportional to 14,896.10, 20,557.72 and 9,231.96

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Solution

The fourth proportional to 14,896.10, 20,557.72 and 9,231.96 is: 12,740.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,896.10 : 20,557.72 = 9,231.96 : x
  2. Step 2: Convert to fraction form
    14,896.10/20,557.72 = 9,231.96/x
  3. Step 3: Cross multiply
    14,896.10x = 20,557.72 × 9,231.96
  4. Step 4: Simplify right side
    14,896.10x = 189,787,945.94
  5. Step 5: Solve for x
    x = 189,787,945.94/14,896.10
  6. Step 6: Final answer
    x = 12,740.78

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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.