Home / 13,012.26-19,516.37-4,245.23

Finding the Fourth Proportional to 13,012.26, 19,516.37 and 4,245.23

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Solution

The fourth proportional to 13,012.26, 19,516.37 and 4,245.23 is: 6,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.26 : 19,516.37 = 4,245.23 : x
  2. Step 2: Convert to fraction form
    13,012.26/19,516.37 = 4,245.23/x
  3. Step 3: Cross multiply
    13,012.26x = 19,516.37 × 4,245.23
  4. Step 4: Simplify right side
    13,012.26x = 82,851,360.61
  5. Step 5: Solve for x
    x = 82,851,360.61/13,012.26
  6. Step 6: Final answer
    x = 6,367.18

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Half scale
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Double scale
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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.