Home / 16,436.80-24,671.40-8,126.20

Finding the Fourth Proportional to 16,436.80, 24,671.40 and 8,126.20

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Solution

The fourth proportional to 16,436.80, 24,671.40 and 8,126.20 is: 12,197.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,436.80 : 24,671.40 = 8,126.20 : x
  2. Step 2: Convert to fraction form
    16,436.80/24,671.40 = 8,126.20/x
  3. Step 3: Cross multiply
    16,436.80x = 24,671.40 × 8,126.20
  4. Step 4: Simplify right side
    16,436.80x = 200,484,730.68
  5. Step 5: Solve for x
    x = 200,484,730.68/16,436.80
  6. Step 6: Final answer
    x = 12,197.31

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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.