Home / 30,133.86-41,584.68-18,194.86

Finding the Fourth Proportional to 30,133.86, 41,584.68 and 18,194.86

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Solution

The fourth proportional to 30,133.86, 41,584.68 and 18,194.86 is: 25,108.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,133.86 : 41,584.68 = 18,194.86 : x
  2. Step 2: Convert to fraction form
    30,133.86/41,584.68 = 18,194.86/x
  3. Step 3: Cross multiply
    30,133.86x = 41,584.68 × 18,194.86
  4. Step 4: Simplify right side
    30,133.86x = 756,627,430.74
  5. Step 5: Solve for x
    x = 756,627,430.74/30,133.86
  6. Step 6: Final answer
    x = 25,108.88

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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.