Home / 51,226.83-76,840.24-13,786.98

Finding the Fourth Proportional to 51,226.83, 76,840.24 and 13,786.98

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Solution

The fourth proportional to 51,226.83, 76,840.24 and 13,786.98 is: 20,680.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,226.83 : 76,840.24 = 13,786.98 : x
  2. Step 2: Convert to fraction form
    51,226.83/76,840.24 = 13,786.98/x
  3. Step 3: Cross multiply
    51,226.83x = 76,840.24 × 13,786.98
  4. Step 4: Simplify right side
    51,226.83x = 1,059,394,852.08
  5. Step 5: Solve for x
    x = 1,059,394,852.08/51,226.83
  6. Step 6: Final answer
    x = 20,680.47

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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.