Home / 13,049.30-19,573.95-3,188.46

Finding the Fourth Proportional to 13,049.30, 19,573.95 and 3,188.46

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Solution

The fourth proportional to 13,049.30, 19,573.95 and 3,188.46 is: 4,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049.30 : 19,573.95 = 3,188.46 : x
  2. Step 2: Convert to fraction form
    13,049.30/19,573.95 = 3,188.46/x
  3. Step 3: Cross multiply
    13,049.30x = 19,573.95 × 3,188.46
  4. Step 4: Simplify right side
    13,049.30x = 62,410,841.98
  5. Step 5: Solve for x
    x = 62,410,841.98/13,049.30
  6. Step 6: Final answer
    x = 4,782.70

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Similar ratio
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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.