Home / 20,242.93-27,920.78-17,549.33

Finding the Fourth Proportional to 20,242.93, 27,920.78 and 17,549.33

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Solution

The fourth proportional to 20,242.93, 27,920.78 and 17,549.33 is: 24,205.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.93 : 27,920.78 = 17,549.33 : x
  2. Step 2: Convert to fraction form
    20,242.93/27,920.78 = 17,549.33/x
  3. Step 3: Cross multiply
    20,242.93x = 27,920.78 × 17,549.33
  4. Step 4: Simplify right side
    20,242.93x = 489,990,977.59
  5. Step 5: Solve for x
    x = 489,990,977.59/20,242.93
  6. Step 6: Final answer
    x = 24,205.54

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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.