Home / 18,313.27-27,467.45-5,166.70

Finding the Fourth Proportional to 18,313.27, 27,467.45 and 5,166.70

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Solution

The fourth proportional to 18,313.27, 27,467.45 and 5,166.70 is: 7,749.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.27 : 27,467.45 = 5,166.70 : x
  2. Step 2: Convert to fraction form
    18,313.27/27,467.45 = 5,166.70/x
  3. Step 3: Cross multiply
    18,313.27x = 27,467.45 × 5,166.70
  4. Step 4: Simplify right side
    18,313.27x = 141,915,936.58
  5. Step 5: Solve for x
    x = 141,915,936.58/18,313.27
  6. Step 6: Final answer
    x = 7,749.35

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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.