Home / 12,731.96-19,098.95-4,838.25

Finding the Fourth Proportional to 12,731.96, 19,098.95 and 4,838.25

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Solution

The fourth proportional to 12,731.96, 19,098.95 and 4,838.25 is: 7,257.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.96 : 19,098.95 = 4,838.25 : x
  2. Step 2: Convert to fraction form
    12,731.96/19,098.95 = 4,838.25/x
  3. Step 3: Cross multiply
    12,731.96x = 19,098.95 × 4,838.25
  4. Step 4: Simplify right side
    12,731.96x = 92,405,494.84
  5. Step 5: Solve for x
    x = 92,405,494.84/12,731.96
  6. Step 6: Final answer
    x = 7,257.76

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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.