Home / 13,996.48-19,317.54-9,517.18

Finding the Fourth Proportional to 13,996.48, 19,317.54 and 9,517.18

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Solution

The fourth proportional to 13,996.48, 19,317.54 and 9,517.18 is: 13,135.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.48 : 19,317.54 = 9,517.18 : x
  2. Step 2: Convert to fraction form
    13,996.48/19,317.54 = 9,517.18/x
  3. Step 3: Cross multiply
    13,996.48x = 19,317.54 × 9,517.18
  4. Step 4: Simplify right side
    13,996.48x = 183,848,505.34
  5. Step 5: Solve for x
    x = 183,848,505.34/13,996.48
  6. Step 6: Final answer
    x = 13,135.34

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.