Home / 20,729.33-28,598.35-11,652.61

Finding the Fourth Proportional to 20,729.33, 28,598.35 and 11,652.61

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Solution

The fourth proportional to 20,729.33, 28,598.35 and 11,652.61 is: 16,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,729.33 : 28,598.35 = 11,652.61 : x
  2. Step 2: Convert to fraction form
    20,729.33/28,598.35 = 11,652.61/x
  3. Step 3: Cross multiply
    20,729.33x = 28,598.35 × 11,652.61
  4. Step 4: Simplify right side
    20,729.33x = 333,245,570.55
  5. Step 5: Solve for x
    x = 333,245,570.55/20,729.33
  6. Step 6: Final answer
    x = 16,076.04

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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.