Home / 25,712.82-38,573.55-8,188.02

Finding the Fourth Proportional to 25,712.82, 38,573.55 and 8,188.02

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Solution

The fourth proportional to 25,712.82, 38,573.55 and 8,188.02 is: 12,283.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,712.82 : 38,573.55 = 8,188.02 : x
  2. Step 2: Convert to fraction form
    25,712.82/38,573.55 = 8,188.02/x
  3. Step 3: Cross multiply
    25,712.82x = 38,573.55 × 8,188.02
  4. Step 4: Simplify right side
    25,712.82x = 315,840,998.87
  5. Step 5: Solve for x
    x = 315,840,998.87/25,712.82
  6. Step 6: Final answer
    x = 12,283.41

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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.