Home / 18,672.06-25,760.19-11,586.18

Finding the Fourth Proportional to 18,672.06, 25,760.19 and 11,586.18

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Solution

The fourth proportional to 18,672.06, 25,760.19 and 11,586.18 is: 15,984.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,672.06 : 25,760.19 = 11,586.18 : x
  2. Step 2: Convert to fraction form
    18,672.06/25,760.19 = 11,586.18/x
  3. Step 3: Cross multiply
    18,672.06x = 25,760.19 × 11,586.18
  4. Step 4: Simplify right side
    18,672.06x = 298,462,198.17
  5. Step 5: Solve for x
    x = 298,462,198.17/18,672.06
  6. Step 6: Final answer
    x = 15,984.43

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Half scale
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Double scale
Find fourth proportional to 18,673.06, 25,761.57 and 11,587.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.