Home / 13,320.97-19,976.26-4,996.45

Finding the Fourth Proportional to 13,320.97, 19,976.26 and 4,996.45

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Solution

The fourth proportional to 13,320.97, 19,976.26 and 4,996.45 is: 7,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320.97 : 19,976.26 = 4,996.45 : x
  2. Step 2: Convert to fraction form
    13,320.97/19,976.26 = 4,996.45/x
  3. Step 3: Cross multiply
    13,320.97x = 19,976.26 × 4,996.45
  4. Step 4: Simplify right side
    13,320.97x = 99,810,384.28
  5. Step 5: Solve for x
    x = 99,810,384.28/13,320.97
  6. Step 6: Final answer
    x = 7,492.73

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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.