Home / 20,029.10-27,610.70-15,766.52

Finding the Fourth Proportional to 20,029.10, 27,610.70 and 15,766.52

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Solution

The fourth proportional to 20,029.10, 27,610.70 and 15,766.52 is: 21,734.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.10 : 27,610.70 = 15,766.52 : x
  2. Step 2: Convert to fraction form
    20,029.10/27,610.70 = 15,766.52/x
  3. Step 3: Cross multiply
    20,029.10x = 27,610.70 × 15,766.52
  4. Step 4: Simplify right side
    20,029.10x = 435,324,653.76
  5. Step 5: Solve for x
    x = 435,324,653.76/20,029.10
  6. Step 6: Final answer
    x = 21,734.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.