Home / 26,205.66-36,180.54-20,144.16

Finding the Fourth Proportional to 26,205.66, 36,180.54 and 20,144.16

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Solution

The fourth proportional to 26,205.66, 36,180.54 and 20,144.16 is: 27,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,205.66 : 36,180.54 = 20,144.16 : x
  2. Step 2: Convert to fraction form
    26,205.66/36,180.54 = 20,144.16/x
  3. Step 3: Cross multiply
    26,205.66x = 36,180.54 × 20,144.16
  4. Step 4: Simplify right side
    26,205.66x = 728,826,586.65
  5. Step 5: Solve for x
    x = 728,826,586.65/26,205.66
  6. Step 6: Final answer
    x = 27,811.80

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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.