Home / 17,947.27-24,766.86-9,989.02

Finding the Fourth Proportional to 17,947.27, 24,766.86 and 9,989.02

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Solution

The fourth proportional to 17,947.27, 24,766.86 and 9,989.02 is: 13,784.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.27 : 24,766.86 = 9,989.02 : x
  2. Step 2: Convert to fraction form
    17,947.27/24,766.86 = 9,989.02/x
  3. Step 3: Cross multiply
    17,947.27x = 24,766.86 × 9,989.02
  4. Step 4: Simplify right side
    17,947.27x = 247,396,659.88
  5. Step 5: Solve for x
    x = 247,396,659.88/17,947.27
  6. Step 6: Final answer
    x = 13,784.64

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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.