Home / 20,722.33-31,083.71-16,588.62

Finding the Fourth Proportional to 20,722.33, 31,083.71 and 16,588.62

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Solution

The fourth proportional to 20,722.33, 31,083.71 and 16,588.62 is: 24,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,722.33 : 31,083.71 = 16,588.62 : x
  2. Step 2: Convert to fraction form
    20,722.33/31,083.71 = 16,588.62/x
  3. Step 3: Cross multiply
    20,722.33x = 31,083.71 × 16,588.62
  4. Step 4: Simplify right side
    20,722.33x = 515,635,653.87
  5. Step 5: Solve for x
    x = 515,635,653.87/20,722.33
  6. Step 6: Final answer
    x = 24,883.10

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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.