Home / 13,996.77-19,314.10-8,618.35

Finding the Fourth Proportional to 13,996.77, 19,314.10 and 8,618.35

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Solution

The fourth proportional to 13,996.77, 19,314.10 and 8,618.35 is: 11,892.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.77 : 19,314.10 = 8,618.35 : x
  2. Step 2: Convert to fraction form
    13,996.77/19,314.10 = 8,618.35/x
  3. Step 3: Cross multiply
    13,996.77x = 19,314.10 × 8,618.35
  4. Step 4: Simplify right side
    13,996.77x = 166,455,636.22
  5. Step 5: Solve for x
    x = 166,455,636.22/13,996.77
  6. Step 6: Final answer
    x = 11,892.43

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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.