Home / 34,516.12-51,739.34-13,442.98

Finding the Fourth Proportional to 34,516.12, 51,739.34 and 13,442.98

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Solution

The fourth proportional to 34,516.12, 51,739.34 and 13,442.98 is: 20,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,516.12 : 51,739.34 = 13,442.98 : x
  2. Step 2: Convert to fraction form
    34,516.12/51,739.34 = 13,442.98/x
  3. Step 3: Cross multiply
    34,516.12x = 51,739.34 × 13,442.98
  4. Step 4: Simplify right side
    34,516.12x = 695,530,912.83
  5. Step 5: Solve for x
    x = 695,530,912.83/34,516.12
  6. Step 6: Final answer
    x = 20,150.90

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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.