Home / 12,726.74-19,082.44-5,705.49

Finding the Fourth Proportional to 12,726.74, 19,082.44 and 5,705.49

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Solution

The fourth proportional to 12,726.74, 19,082.44 and 5,705.49 is: 8,554.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.74 : 19,082.44 = 5,705.49 : x
  2. Step 2: Convert to fraction form
    12,726.74/19,082.44 = 5,705.49/x
  3. Step 3: Cross multiply
    12,726.74x = 19,082.44 × 5,705.49
  4. Step 4: Simplify right side
    12,726.74x = 108,874,575.18
  5. Step 5: Solve for x
    x = 108,874,575.18/12,726.74
  6. Step 6: Final answer
    x = 8,554.79

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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.