Home / 16,979.44-25,439.76-9,193.60

Finding the Fourth Proportional to 16,979.44, 25,439.76 and 9,193.60

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Solution

The fourth proportional to 16,979.44, 25,439.76 and 9,193.60 is: 13,774.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.44 : 25,439.76 = 9,193.60 : x
  2. Step 2: Convert to fraction form
    16,979.44/25,439.76 = 9,193.60/x
  3. Step 3: Cross multiply
    16,979.44x = 25,439.76 × 9,193.60
  4. Step 4: Simplify right side
    16,979.44x = 233,882,977.54
  5. Step 5: Solve for x
    x = 233,882,977.54/16,979.44
  6. Step 6: Final answer
    x = 13,774.48

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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.