Home / 17,191.61-25,790.66-12,248.99

Finding the Fourth Proportional to 17,191.61, 25,790.66 and 12,248.99

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Solution

The fourth proportional to 17,191.61, 25,790.66 and 12,248.99 is: 18,375.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,191.61 : 25,790.66 = 12,248.99 : x
  2. Step 2: Convert to fraction form
    17,191.61/25,790.66 = 12,248.99/x
  3. Step 3: Cross multiply
    17,191.61x = 25,790.66 × 12,248.99
  4. Step 4: Simplify right side
    17,191.61x = 315,909,346.24
  5. Step 5: Solve for x
    x = 315,909,346.24/17,191.61
  6. Step 6: Final answer
    x = 18,375.79

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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.