Home / 13,374.27-18,456.75-8,002.23

Finding the Fourth Proportional to 13,374.27, 18,456.75 and 8,002.23

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Solution

The fourth proportional to 13,374.27, 18,456.75 and 8,002.23 is: 11,043.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.27 : 18,456.75 = 8,002.23 : x
  2. Step 2: Convert to fraction form
    13,374.27/18,456.75 = 8,002.23/x
  3. Step 3: Cross multiply
    13,374.27x = 18,456.75 × 8,002.23
  4. Step 4: Simplify right side
    13,374.27x = 147,695,158.55
  5. Step 5: Solve for x
    x = 147,695,158.55/13,374.27
  6. Step 6: Final answer
    x = 11,043.23

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Double scale
Find fourth proportional to 13,375.27, 18,458.13 and 8,003.23
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.