Home / 16,815.48-25,230.42-6,961.92

Finding the Fourth Proportional to 16,815.48, 25,230.42 and 6,961.92

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Solution

The fourth proportional to 16,815.48, 25,230.42 and 6,961.92 is: 10,445.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.48 : 25,230.42 = 6,961.92 : x
  2. Step 2: Convert to fraction form
    16,815.48/25,230.42 = 6,961.92/x
  3. Step 3: Cross multiply
    16,815.48x = 25,230.42 × 6,961.92
  4. Step 4: Simplify right side
    16,815.48x = 175,652,165.61
  5. Step 5: Solve for x
    x = 175,652,165.61/16,815.48
  6. Step 6: Final answer
    x = 10,445.86

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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.