Home / 25,958.18-38,940.53-10,161.17

Finding the Fourth Proportional to 25,958.18, 38,940.53 and 10,161.17

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Solution

The fourth proportional to 25,958.18, 38,940.53 and 10,161.17 is: 15,243.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,958.18 : 38,940.53 = 10,161.17 : x
  2. Step 2: Convert to fraction form
    25,958.18/38,940.53 = 10,161.17/x
  3. Step 3: Cross multiply
    25,958.18x = 38,940.53 × 10,161.17
  4. Step 4: Simplify right side
    25,958.18x = 395,681,294.41
  5. Step 5: Solve for x
    x = 395,681,294.41/25,958.18
  6. Step 6: Final answer
    x = 15,243.03

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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.