Home / 16,986.80-25,480.20-16,622.30

Finding the Fourth Proportional to 16,986.80, 25,480.20 and 16,622.30

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Solution

The fourth proportional to 16,986.80, 25,480.20 and 16,622.30 is: 24,933.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.80 : 25,480.20 = 16,622.30 : x
  2. Step 2: Convert to fraction form
    16,986.80/25,480.20 = 16,622.30/x
  3. Step 3: Cross multiply
    16,986.80x = 25,480.20 × 16,622.30
  4. Step 4: Simplify right side
    16,986.80x = 423,539,528.46
  5. Step 5: Solve for x
    x = 423,539,528.46/16,986.80
  6. Step 6: Final answer
    x = 24,933.45

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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.