Home / 13,289.96-19,830.83-11,893.70

Finding the Fourth Proportional to 13,289.96, 19,830.83 and 11,893.70

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Solution

The fourth proportional to 13,289.96, 19,830.83 and 11,893.70 is: 17,747.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.96 : 19,830.83 = 11,893.70 : x
  2. Step 2: Convert to fraction form
    13,289.96/19,830.83 = 11,893.70/x
  3. Step 3: Cross multiply
    13,289.96x = 19,830.83 × 11,893.70
  4. Step 4: Simplify right side
    13,289.96x = 235,861,942.77
  5. Step 5: Solve for x
    x = 235,861,942.77/13,289.96
  6. Step 6: Final answer
    x = 17,747.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.