Home / 21,983.99-32,975.69-5,343.97

Finding the Fourth Proportional to 21,983.99, 32,975.69 and 5,343.97

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Solution

The fourth proportional to 21,983.99, 32,975.69 and 5,343.97 is: 8,015.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,983.99 : 32,975.69 = 5,343.97 : x
  2. Step 2: Convert to fraction form
    21,983.99/32,975.69 = 5,343.97/x
  3. Step 3: Cross multiply
    21,983.99x = 32,975.69 × 5,343.97
  4. Step 4: Simplify right side
    21,983.99x = 176,221,112.59
  5. Step 5: Solve for x
    x = 176,221,112.59/21,983.99
  6. Step 6: Final answer
    x = 8,015.89

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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.