Home / 25,456.55-35,129.46-14,125.89

Finding the Fourth Proportional to 25,456.55, 35,129.46 and 14,125.89

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Solution

The fourth proportional to 25,456.55, 35,129.46 and 14,125.89 is: 19,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,456.55 : 35,129.46 = 14,125.89 : x
  2. Step 2: Convert to fraction form
    25,456.55/35,129.46 = 14,125.89/x
  3. Step 3: Cross multiply
    25,456.55x = 35,129.46 × 14,125.89
  4. Step 4: Simplify right side
    25,456.55x = 496,235,072.43
  5. Step 5: Solve for x
    x = 496,235,072.43/25,456.55
  6. Step 6: Final answer
    x = 19,493.42

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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.