Home / 18,248.90-27,371.33-5,102.60

Finding the Fourth Proportional to 18,248.90, 27,371.33 and 5,102.60

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Solution

The fourth proportional to 18,248.90, 27,371.33 and 5,102.60 is: 7,653.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.90 : 27,371.33 = 5,102.60 : x
  2. Step 2: Convert to fraction form
    18,248.90/27,371.33 = 5,102.60/x
  3. Step 3: Cross multiply
    18,248.90x = 27,371.33 × 5,102.60
  4. Step 4: Simplify right side
    18,248.90x = 139,664,922.95
  5. Step 5: Solve for x
    x = 139,664,922.95/18,248.90
  6. Step 6: Final answer
    x = 7,653.33

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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.