Home / 23,731.44-32,751.30-13,121.28

Finding the Fourth Proportional to 23,731.44, 32,751.30 and 13,121.28

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Solution

The fourth proportional to 23,731.44, 32,751.30 and 13,121.28 is: 18,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,731.44 : 32,751.30 = 13,121.28 : x
  2. Step 2: Convert to fraction form
    23,731.44/32,751.30 = 13,121.28/x
  3. Step 3: Cross multiply
    23,731.44x = 32,751.30 × 13,121.28
  4. Step 4: Simplify right side
    23,731.44x = 429,738,977.66
  5. Step 5: Solve for x
    x = 429,738,977.66/23,731.44
  6. Step 6: Final answer
    x = 18,108.42

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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.