Home / 25,453.41-38,181.14-12,119.54

Finding the Fourth Proportional to 25,453.41, 38,181.14 and 12,119.54

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Solution

The fourth proportional to 25,453.41, 38,181.14 and 12,119.54 is: 18,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,453.41 : 38,181.14 = 12,119.54 : x
  2. Step 2: Convert to fraction form
    25,453.41/38,181.14 = 12,119.54/x
  3. Step 3: Cross multiply
    25,453.41x = 38,181.14 × 12,119.54
  4. Step 4: Simplify right side
    25,453.41x = 462,737,862.19
  5. Step 5: Solve for x
    x = 462,737,862.19/25,453.41
  6. Step 6: Final answer
    x = 18,179.80

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1.5x scale

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.