Home / 18,581.82-25,642.74-10,083.96

Finding the Fourth Proportional to 18,581.82, 25,642.74 and 10,083.96

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Solution

The fourth proportional to 18,581.82, 25,642.74 and 10,083.96 is: 13,915.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.82 : 25,642.74 = 10,083.96 : x
  2. Step 2: Convert to fraction form
    18,581.82/25,642.74 = 10,083.96/x
  3. Step 3: Cross multiply
    18,581.82x = 25,642.74 × 10,083.96
  4. Step 4: Simplify right side
    18,581.82x = 258,580,364.45
  5. Step 5: Solve for x
    x = 258,580,364.45/18,581.82
  6. Step 6: Final answer
    x = 13,915.77

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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.