Home / 20,039.08-30,193.88-16,605.48

Finding the Fourth Proportional to 20,039.08, 30,193.88 and 16,605.48

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Solution

The fourth proportional to 20,039.08, 30,193.88 and 16,605.48 is: 25,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039.08 : 30,193.88 = 16,605.48 : x
  2. Step 2: Convert to fraction form
    20,039.08/30,193.88 = 16,605.48/x
  3. Step 3: Cross multiply
    20,039.08x = 30,193.88 × 16,605.48
  4. Step 4: Simplify right side
    20,039.08x = 501,383,870.46
  5. Step 5: Solve for x
    x = 501,383,870.46/20,039.08
  6. Step 6: Final answer
    x = 25,020.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.