Home / 12,995.84-19,493.66-3,135.08

Finding the Fourth Proportional to 12,995.84, 19,493.66 and 3,135.08

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Solution

The fourth proportional to 12,995.84, 19,493.66 and 3,135.08 is: 4,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,995.84 : 19,493.66 = 3,135.08 : x
  2. Step 2: Convert to fraction form
    12,995.84/19,493.66 = 3,135.08/x
  3. Step 3: Cross multiply
    12,995.84x = 19,493.66 × 3,135.08
  4. Step 4: Simplify right side
    12,995.84x = 61,114,183.59
  5. Step 5: Solve for x
    x = 61,114,183.59/12,995.84
  6. Step 6: Final answer
    x = 4,702.60

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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.