Home / 20,195.33-27,865.49-12,232.93

Finding the Fourth Proportional to 20,195.33, 27,865.49 and 12,232.93

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Solution

The fourth proportional to 20,195.33, 27,865.49 and 12,232.93 is: 16,878.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.33 : 27,865.49 = 12,232.93 : x
  2. Step 2: Convert to fraction form
    20,195.33/27,865.49 = 12,232.93/x
  3. Step 3: Cross multiply
    20,195.33x = 27,865.49 × 12,232.93
  4. Step 4: Simplify right side
    20,195.33x = 340,876,510.01
  5. Step 5: Solve for x
    x = 340,876,510.01/20,195.33
  6. Step 6: Final answer
    x = 16,878.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.