Home / 18,539.72-25,585.62-10,156.04

Finding the Fourth Proportional to 18,539.72, 25,585.62 and 10,156.04

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Solution

The fourth proportional to 18,539.72, 25,585.62 and 10,156.04 is: 14,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.72 : 25,585.62 = 10,156.04 : x
  2. Step 2: Convert to fraction form
    18,539.72/25,585.62 = 10,156.04/x
  3. Step 3: Cross multiply
    18,539.72x = 25,585.62 × 10,156.04
  4. Step 4: Simplify right side
    18,539.72x = 259,848,580.14
  5. Step 5: Solve for x
    x = 259,848,580.14/18,539.72
  6. Step 6: Final answer
    x = 14,015.78

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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.