Home / 21,958.69-32,939.51-7,725.46

Finding the Fourth Proportional to 21,958.69, 32,939.51 and 7,725.46

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Solution

The fourth proportional to 21,958.69, 32,939.51 and 7,725.46 is: 11,588.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,958.69 : 32,939.51 = 7,725.46 : x
  2. Step 2: Convert to fraction form
    21,958.69/32,939.51 = 7,725.46/x
  3. Step 3: Cross multiply
    21,958.69x = 32,939.51 × 7,725.46
  4. Step 4: Simplify right side
    21,958.69x = 254,472,866.92
  5. Step 5: Solve for x
    x = 254,472,866.92/21,958.69
  6. Step 6: Final answer
    x = 11,588.71

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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.