Home / 25,820.20-38,734.34-11,029.20

Finding the Fourth Proportional to 25,820.20, 38,734.34 and 11,029.20

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Solution

The fourth proportional to 25,820.20, 38,734.34 and 11,029.20 is: 16,545.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,820.20 : 38,734.34 = 11,029.20 : x
  2. Step 2: Convert to fraction form
    25,820.20/38,734.34 = 11,029.20/x
  3. Step 3: Cross multiply
    25,820.20x = 38,734.34 × 11,029.20
  4. Step 4: Simplify right side
    25,820.20x = 427,208,782.73
  5. Step 5: Solve for x
    x = 427,208,782.73/25,820.20
  6. Step 6: Final answer
    x = 16,545.53

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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.