Home / 12,835.02-19,245.24-7,644.54

Finding the Fourth Proportional to 12,835.02, 19,245.24 and 7,644.54

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Solution

The fourth proportional to 12,835.02, 19,245.24 and 7,644.54 is: 11,462.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.02 : 19,245.24 = 7,644.54 : x
  2. Step 2: Convert to fraction form
    12,835.02/19,245.24 = 7,644.54/x
  3. Step 3: Cross multiply
    12,835.02x = 19,245.24 × 7,644.54
  4. Step 4: Simplify right side
    12,835.02x = 147,121,006.99
  5. Step 5: Solve for x
    x = 147,121,006.99/12,835.02
  6. Step 6: Final answer
    x = 11,462.47

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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.