Home / 17,200.99-25,776.58-11,858.68

Finding the Fourth Proportional to 17,200.99, 25,776.58 and 11,858.68

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Solution

The fourth proportional to 17,200.99, 25,776.58 and 11,858.68 is: 17,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,200.99 : 25,776.58 = 11,858.68 : x
  2. Step 2: Convert to fraction form
    17,200.99/25,776.58 = 11,858.68/x
  3. Step 3: Cross multiply
    17,200.99x = 25,776.58 × 11,858.68
  4. Step 4: Simplify right side
    17,200.99x = 305,676,154.42
  5. Step 5: Solve for x
    x = 305,676,154.42/17,200.99
  6. Step 6: Final answer
    x = 17,770.85

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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.