Home / 25,379.43-35,011.87-16,429.83

Finding the Fourth Proportional to 25,379.43, 35,011.87 and 16,429.83

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Solution

The fourth proportional to 25,379.43, 35,011.87 and 16,429.83 is: 22,665.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.43 : 35,011.87 = 16,429.83 : x
  2. Step 2: Convert to fraction form
    25,379.43/35,011.87 = 16,429.83/x
  3. Step 3: Cross multiply
    25,379.43x = 35,011.87 × 16,429.83
  4. Step 4: Simplify right side
    25,379.43x = 575,239,072.08
  5. Step 5: Solve for x
    x = 575,239,072.08/25,379.43
  6. Step 6: Final answer
    x = 22,665.56

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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.