Home / 23,975.80-33,086.85-13,221.06

Finding the Fourth Proportional to 23,975.80, 33,086.85 and 13,221.06

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Solution

The fourth proportional to 23,975.80, 33,086.85 and 13,221.06 is: 18,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,975.80 : 33,086.85 = 13,221.06 : x
  2. Step 2: Convert to fraction form
    23,975.80/33,086.85 = 13,221.06/x
  3. Step 3: Cross multiply
    23,975.80x = 33,086.85 × 13,221.06
  4. Step 4: Simplify right side
    23,975.80x = 437,443,139.05
  5. Step 5: Solve for x
    x = 437,443,139.05/23,975.80
  6. Step 6: Final answer
    x = 18,245.20

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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.