Home / 16,909.11-25,366.85-5,219.59

Finding the Fourth Proportional to 16,909.11, 25,366.85 and 5,219.59

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Solution

The fourth proportional to 16,909.11, 25,366.85 and 5,219.59 is: 7,830.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.11 : 25,366.85 = 5,219.59 : x
  2. Step 2: Convert to fraction form
    16,909.11/25,366.85 = 5,219.59/x
  3. Step 3: Cross multiply
    16,909.11x = 25,366.85 × 5,219.59
  4. Step 4: Simplify right side
    16,909.11x = 132,404,556.59
  5. Step 5: Solve for x
    x = 132,404,556.59/16,909.11
  6. Step 6: Final answer
    x = 7,830.37

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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.