Home / 34,014.24-51,021.44-10,640.72

Finding the Fourth Proportional to 34,014.24, 51,021.44 and 10,640.72

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Solution

The fourth proportional to 34,014.24, 51,021.44 and 10,640.72 is: 15,961.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,014.24 : 51,021.44 = 10,640.72 : x
  2. Step 2: Convert to fraction form
    34,014.24/51,021.44 = 10,640.72/x
  3. Step 3: Cross multiply
    34,014.24x = 51,021.44 × 10,640.72
  4. Step 4: Simplify right side
    34,014.24x = 542,904,857.04
  5. Step 5: Solve for x
    x = 542,904,857.04/34,014.24
  6. Step 6: Final answer
    x = 15,961.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.