Home / 13,996.96-19,324.80-8,699.44

Finding the Fourth Proportional to 13,996.96, 19,324.80 and 8,699.44

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Solution

The fourth proportional to 13,996.96, 19,324.80 and 8,699.44 is: 12,010.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.96 : 19,324.80 = 8,699.44 : x
  2. Step 2: Convert to fraction form
    13,996.96/19,324.80 = 8,699.44/x
  3. Step 3: Cross multiply
    13,996.96x = 19,324.80 × 8,699.44
  4. Step 4: Simplify right side
    13,996.96x = 168,114,938.11
  5. Step 5: Solve for x
    x = 168,114,938.11/13,996.96
  6. Step 6: Final answer
    x = 12,010.82

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