Home / 21,939.48-32,923.80-10,253.61

Finding the Fourth Proportional to 21,939.48, 32,923.80 and 10,253.61

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Solution

The fourth proportional to 21,939.48, 32,923.80 and 10,253.61 is: 15,387.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,939.48 : 32,923.80 = 10,253.61 : x
  2. Step 2: Convert to fraction form
    21,939.48/32,923.80 = 10,253.61/x
  3. Step 3: Cross multiply
    21,939.48x = 32,923.80 × 10,253.61
  4. Step 4: Simplify right side
    21,939.48x = 337,587,804.92
  5. Step 5: Solve for x
    x = 337,587,804.92/21,939.48
  6. Step 6: Final answer
    x = 15,387.23

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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.