Home / 14,193.15-21,289.73-3,663.15

Finding the Fourth Proportional to 14,193.15, 21,289.73 and 3,663.15

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Solution

The fourth proportional to 14,193.15, 21,289.73 and 3,663.15 is: 5,494.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.15 : 21,289.73 = 3,663.15 : x
  2. Step 2: Convert to fraction form
    14,193.15/21,289.73 = 3,663.15/x
  3. Step 3: Cross multiply
    14,193.15x = 21,289.73 × 3,663.15
  4. Step 4: Simplify right side
    14,193.15x = 77,987,456.13
  5. Step 5: Solve for x
    x = 77,987,456.13/14,193.15
  6. Step 6: Final answer
    x = 5,494.73

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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.