Home / 13,049.21-19,573.73-3,188.41

Finding the Fourth Proportional to 13,049.21, 19,573.73 and 3,188.41

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Solution

The fourth proportional to 13,049.21, 19,573.73 and 3,188.41 is: 4,782.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049.21 : 19,573.73 = 3,188.41 : x
  2. Step 2: Convert to fraction form
    13,049.21/19,573.73 = 3,188.41/x
  3. Step 3: Cross multiply
    13,049.21x = 19,573.73 × 3,188.41
  4. Step 4: Simplify right side
    13,049.21x = 62,409,011.59
  5. Step 5: Solve for x
    x = 62,409,011.59/13,049.21
  6. Step 6: Final answer
    x = 4,782.59

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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.