Home / 25,129.80-37,695.47-6,409.85

Finding the Fourth Proportional to 25,129.80, 37,695.47 and 6,409.85

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Solution

The fourth proportional to 25,129.80, 37,695.47 and 6,409.85 is: 9,614.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,129.80 : 37,695.47 = 6,409.85 : x
  2. Step 2: Convert to fraction form
    25,129.80/37,695.47 = 6,409.85/x
  3. Step 3: Cross multiply
    25,129.80x = 37,695.47 × 6,409.85
  4. Step 4: Simplify right side
    25,129.80x = 241,622,087.85
  5. Step 5: Solve for x
    x = 241,622,087.85/25,129.80
  6. Step 6: Final answer
    x = 9,614.96

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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.