Home / 16,936.80-25,421.40-8,626.20

Finding the Fourth Proportional to 16,936.80, 25,421.40 and 8,626.20

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Solution

The fourth proportional to 16,936.80, 25,421.40 and 8,626.20 is: 12,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,936.80 : 25,421.40 = 8,626.20 : x
  2. Step 2: Convert to fraction form
    16,936.80/25,421.40 = 8,626.20/x
  3. Step 3: Cross multiply
    16,936.80x = 25,421.40 × 8,626.20
  4. Step 4: Simplify right side
    16,936.80x = 219,290,080.68
  5. Step 5: Solve for x
    x = 219,290,080.68/16,936.80
  6. Step 6: Final answer
    x = 12,947.55

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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.