Home / 12,983.49-19,475.24-8,369.73

Finding the Fourth Proportional to 12,983.49, 19,475.24 and 8,369.73

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Solution

The fourth proportional to 12,983.49, 19,475.24 and 8,369.73 is: 12,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983.49 : 19,475.24 = 8,369.73 : x
  2. Step 2: Convert to fraction form
    12,983.49/19,475.24 = 8,369.73/x
  3. Step 3: Cross multiply
    12,983.49x = 19,475.24 × 8,369.73
  4. Step 4: Simplify right side
    12,983.49x = 163,002,458.64
  5. Step 5: Solve for x
    x = 163,002,458.64/12,983.49
  6. Step 6: Final answer
    x = 12,554.60

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Double scale
Find fourth proportional to 12,984.49, 19,476.74 and 8,370.73
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.