Home / 12,927.53-19,391.30-3,693.53

Finding the Fourth Proportional to 12,927.53, 19,391.30 and 3,693.53

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Solution

The fourth proportional to 12,927.53, 19,391.30 and 3,693.53 is: 5,540.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.53 : 19,391.30 = 3,693.53 : x
  2. Step 2: Convert to fraction form
    12,927.53/19,391.30 = 3,693.53/x
  3. Step 3: Cross multiply
    12,927.53x = 19,391.30 × 3,693.53
  4. Step 4: Simplify right side
    12,927.53x = 71,622,232.86
  5. Step 5: Solve for x
    x = 71,622,232.86/12,927.53
  6. Step 6: Final answer
    x = 5,540.29

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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.