Home / 23,144.83-31,939.81-12,534.55

Finding the Fourth Proportional to 23,144.83, 31,939.81 and 12,534.55

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Solution

The fourth proportional to 23,144.83, 31,939.81 and 12,534.55 is: 17,297.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,144.83 : 31,939.81 = 12,534.55 : x
  2. Step 2: Convert to fraction form
    23,144.83/31,939.81 = 12,534.55/x
  3. Step 3: Cross multiply
    23,144.83x = 31,939.81 × 12,534.55
  4. Step 4: Simplify right side
    23,144.83x = 400,351,145.44
  5. Step 5: Solve for x
    x = 400,351,145.44/23,144.83
  6. Step 6: Final answer
    x = 17,297.65

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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.