Home / 17,530.62-24,194.39-9,978.79

Finding the Fourth Proportional to 17,530.62, 24,194.39 and 9,978.79

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Solution

The fourth proportional to 17,530.62, 24,194.39 and 9,978.79 is: 13,771.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,530.62 : 24,194.39 = 9,978.79 : x
  2. Step 2: Convert to fraction form
    17,530.62/24,194.39 = 9,978.79/x
  3. Step 3: Cross multiply
    17,530.62x = 24,194.39 × 9,978.79
  4. Step 4: Simplify right side
    17,530.62x = 241,430,736.99
  5. Step 5: Solve for x
    x = 241,430,736.99/17,530.62
  6. Step 6: Final answer
    x = 13,771.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.