Home / 16,957.20-25,435.80-13,676.70

Finding the Fourth Proportional to 16,957.20, 25,435.80 and 13,676.70

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Solution

The fourth proportional to 16,957.20, 25,435.80 and 13,676.70 is: 20,515.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.20 : 25,435.80 = 13,676.70 : x
  2. Step 2: Convert to fraction form
    16,957.20/25,435.80 = 13,676.70/x
  3. Step 3: Cross multiply
    16,957.20x = 25,435.80 × 13,676.70
  4. Step 4: Simplify right side
    16,957.20x = 347,877,805.86
  5. Step 5: Solve for x
    x = 347,877,805.86/16,957.20
  6. Step 6: Final answer
    x = 20,515.05

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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.