Home / 15,474.90-23,212.42-3,788.12

Finding the Fourth Proportional to 15,474.90, 23,212.42 and 3,788.12

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Solution

The fourth proportional to 15,474.90, 23,212.42 and 3,788.12 is: 5,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,474.90 : 23,212.42 = 3,788.12 : x
  2. Step 2: Convert to fraction form
    15,474.90/23,212.42 = 3,788.12/x
  3. Step 3: Cross multiply
    15,474.90x = 23,212.42 × 3,788.12
  4. Step 4: Simplify right side
    15,474.90x = 87,931,371.75
  5. Step 5: Solve for x
    x = 87,931,371.75/15,474.90
  6. Step 6: Final answer
    x = 5,682.19

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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.