Home / 18,834.81-25,992.05-10,451.31

Finding the Fourth Proportional to 18,834.81, 25,992.05 and 10,451.31

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Solution

The fourth proportional to 18,834.81, 25,992.05 and 10,451.31 is: 14,422.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.81 : 25,992.05 = 10,451.31 : x
  2. Step 2: Convert to fraction form
    18,834.81/25,992.05 = 10,451.31/x
  3. Step 3: Cross multiply
    18,834.81x = 25,992.05 × 10,451.31
  4. Step 4: Simplify right side
    18,834.81x = 271,650,972.09
  5. Step 5: Solve for x
    x = 271,650,972.09/18,834.81
  6. Step 6: Final answer
    x = 14,422.81

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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.