Home / 15,190.85-22,786.09-5,195.50

Finding the Fourth Proportional to 15,190.85, 22,786.09 and 5,195.50

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Solution

The fourth proportional to 15,190.85, 22,786.09 and 5,195.50 is: 7,793.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190.85 : 22,786.09 = 5,195.50 : x
  2. Step 2: Convert to fraction form
    15,190.85/22,786.09 = 5,195.50/x
  3. Step 3: Cross multiply
    15,190.85x = 22,786.09 × 5,195.50
  4. Step 4: Simplify right side
    15,190.85x = 118,385,060.64
  5. Step 5: Solve for x
    x = 118,385,060.64/15,190.85
  6. Step 6: Final answer
    x = 7,793.18

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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.