Home / 13,516.73-20,313.45-9,164.60

Finding the Fourth Proportional to 13,516.73, 20,313.45 and 9,164.60

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Solution

The fourth proportional to 13,516.73, 20,313.45 and 9,164.60 is: 13,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.73 : 20,313.45 = 9,164.60 : x
  2. Step 2: Convert to fraction form
    13,516.73/20,313.45 = 9,164.60/x
  3. Step 3: Cross multiply
    13,516.73x = 20,313.45 × 9,164.60
  4. Step 4: Simplify right side
    13,516.73x = 186,164,542.30
  5. Step 5: Solve for x
    x = 186,164,542.30/13,516.73
  6. Step 6: Final answer
    x = 13,772.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.