Home / 16,909.36-25,367.23-5,219.85

Finding the Fourth Proportional to 16,909.36, 25,367.23 and 5,219.85

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Solution

The fourth proportional to 16,909.36, 25,367.23 and 5,219.85 is: 7,830.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.36 : 25,367.23 = 5,219.85 : x
  2. Step 2: Convert to fraction form
    16,909.36/25,367.23 = 5,219.85/x
  3. Step 3: Cross multiply
    16,909.36x = 25,367.23 × 5,219.85
  4. Step 4: Simplify right side
    16,909.36x = 132,413,135.52
  5. Step 5: Solve for x
    x = 132,413,135.52/16,909.36
  6. Step 6: Final answer
    x = 7,830.76

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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.