Home / 18,771.07-28,162.86-6,292.33

Finding the Fourth Proportional to 18,771.07, 28,162.86 and 6,292.33

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Solution

The fourth proportional to 18,771.07, 28,162.86 and 6,292.33 is: 9,440.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,771.07 : 28,162.86 = 6,292.33 : x
  2. Step 2: Convert to fraction form
    18,771.07/28,162.86 = 6,292.33/x
  3. Step 3: Cross multiply
    18,771.07x = 28,162.86 × 6,292.33
  4. Step 4: Simplify right side
    18,771.07x = 177,210,008.86
  5. Step 5: Solve for x
    x = 177,210,008.86/18,771.07
  6. Step 6: Final answer
    x = 9,440.59

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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.