Home / 16,813.50-25,235.79-8,499.33

Finding the Fourth Proportional to 16,813.50, 25,235.79 and 8,499.33

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Solution

The fourth proportional to 16,813.50, 25,235.79 and 8,499.33 is: 12,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.50 : 25,235.79 = 8,499.33 : x
  2. Step 2: Convert to fraction form
    16,813.50/25,235.79 = 8,499.33/x
  3. Step 3: Cross multiply
    16,813.50x = 25,235.79 × 8,499.33
  4. Step 4: Simplify right side
    16,813.50x = 214,487,307.02
  5. Step 5: Solve for x
    x = 214,487,307.02/16,813.50
  6. Step 6: Final answer
    x = 12,756.85

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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.