Home / 23,731.72-32,751.32-13,121.44

Finding the Fourth Proportional to 23,731.72, 32,751.32 and 13,121.44

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Solution

The fourth proportional to 23,731.72, 32,751.32 and 13,121.44 is: 18,108.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,731.72 : 32,751.32 = 13,121.44 : x
  2. Step 2: Convert to fraction form
    23,731.72/32,751.32 = 13,121.44/x
  3. Step 3: Cross multiply
    23,731.72x = 32,751.32 × 13,121.44
  4. Step 4: Simplify right side
    23,731.72x = 429,744,480.30
  5. Step 5: Solve for x
    x = 429,744,480.30/23,731.72
  6. Step 6: Final answer
    x = 18,108.44

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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.