Home / 16,772.20-25,142.30-6,239.40

Finding the Fourth Proportional to 16,772.20, 25,142.30 and 6,239.40

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Solution

The fourth proportional to 16,772.20, 25,142.30 and 6,239.40 is: 9,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,772.20 : 25,142.30 = 6,239.40 : x
  2. Step 2: Convert to fraction form
    16,772.20/25,142.30 = 6,239.40/x
  3. Step 3: Cross multiply
    16,772.20x = 25,142.30 × 6,239.40
  4. Step 4: Simplify right side
    16,772.20x = 156,872,866.62
  5. Step 5: Solve for x
    x = 156,872,866.62/16,772.20
  6. Step 6: Final answer
    x = 9,353.15

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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.