Home / 19,040.92-28,573.23-9,181.21

Finding the Fourth Proportional to 19,040.92, 28,573.23 and 9,181.21

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Solution

The fourth proportional to 19,040.92, 28,573.23 and 9,181.21 is: 13,777.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.92 : 28,573.23 = 9,181.21 : x
  2. Step 2: Convert to fraction form
    19,040.92/28,573.23 = 9,181.21/x
  3. Step 3: Cross multiply
    19,040.92x = 28,573.23 × 9,181.21
  4. Step 4: Simplify right side
    19,040.92x = 262,336,825.01
  5. Step 5: Solve for x
    x = 262,336,825.01/19,040.92
  6. Step 6: Final answer
    x = 13,777.53

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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.