Home / 18,213.57-27,313.73-6,364.02

Finding the Fourth Proportional to 18,213.57, 27,313.73 and 6,364.02

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Solution

The fourth proportional to 18,213.57, 27,313.73 and 6,364.02 is: 9,543.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.57 : 27,313.73 = 6,364.02 : x
  2. Step 2: Convert to fraction form
    18,213.57/27,313.73 = 6,364.02/x
  3. Step 3: Cross multiply
    18,213.57x = 27,313.73 × 6,364.02
  4. Step 4: Simplify right side
    18,213.57x = 173,825,092.17
  5. Step 5: Solve for x
    x = 173,825,092.17/18,213.57
  6. Step 6: Final answer
    x = 9,543.71

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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.