Home / 20,635.02-28,476.56-11,682.33

Finding the Fourth Proportional to 20,635.02, 28,476.56 and 11,682.33

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Solution

The fourth proportional to 20,635.02, 28,476.56 and 11,682.33 is: 16,121.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,635.02 : 28,476.56 = 11,682.33 : x
  2. Step 2: Convert to fraction form
    20,635.02/28,476.56 = 11,682.33/x
  3. Step 3: Cross multiply
    20,635.02x = 28,476.56 × 11,682.33
  4. Step 4: Simplify right side
    20,635.02x = 332,672,512.77
  5. Step 5: Solve for x
    x = 332,672,512.77/20,635.02
  6. Step 6: Final answer
    x = 16,121.74

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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.