Home / 30,205.13-41,683.64-16,777.62

Finding the Fourth Proportional to 30,205.13, 41,683.64 and 16,777.62

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Solution

The fourth proportional to 30,205.13, 41,683.64 and 16,777.62 is: 23,153.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,205.13 : 41,683.64 = 16,777.62 : x
  2. Step 2: Convert to fraction form
    30,205.13/41,683.64 = 16,777.62/x
  3. Step 3: Cross multiply
    30,205.13x = 41,683.64 × 16,777.62
  4. Step 4: Simplify right side
    30,205.13x = 699,352,188.25
  5. Step 5: Solve for x
    x = 699,352,188.25/30,205.13
  6. Step 6: Final answer
    x = 23,153.43

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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.