Home / 23,144.21-31,939.11-12,533.85

Finding the Fourth Proportional to 23,144.21, 31,939.11 and 12,533.85

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Solution

The fourth proportional to 23,144.21, 31,939.11 and 12,533.85 is: 17,296.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,144.21 : 31,939.11 = 12,533.85 : x
  2. Step 2: Convert to fraction form
    23,144.21/31,939.11 = 12,533.85/x
  3. Step 3: Cross multiply
    23,144.21x = 31,939.11 × 12,533.85
  4. Step 4: Simplify right side
    23,144.21x = 400,319,951.20
  5. Step 5: Solve for x
    x = 400,319,951.20/23,144.21
  6. Step 6: Final answer
    x = 17,296.76

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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.