Home / 25,410.36-38,122.74-13,731.96

Finding the Fourth Proportional to 25,410.36, 38,122.74 and 13,731.96

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Solution

The fourth proportional to 25,410.36, 38,122.74 and 13,731.96 is: 20,601.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,410.36 : 38,122.74 = 13,731.96 : x
  2. Step 2: Convert to fraction form
    25,410.36/38,122.74 = 13,731.96/x
  3. Step 3: Cross multiply
    25,410.36x = 38,122.74 × 13,731.96
  4. Step 4: Simplify right side
    25,410.36x = 523,499,940.77
  5. Step 5: Solve for x
    x = 523,499,940.77/25,410.36
  6. Step 6: Final answer
    x = 20,601.83

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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.