Home / 16,979.44-23,431.18-9,425.57

Finding the Fourth Proportional to 16,979.44, 23,431.18 and 9,425.57

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Solution

The fourth proportional to 16,979.44, 23,431.18 and 9,425.57 is: 13,007.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.44 : 23,431.18 = 9,425.57 : x
  2. Step 2: Convert to fraction form
    16,979.44/23,431.18 = 9,425.57/x
  3. Step 3: Cross multiply
    16,979.44x = 23,431.18 × 9,425.57
  4. Step 4: Simplify right side
    16,979.44x = 220,852,062.99
  5. Step 5: Solve for x
    x = 220,852,062.99/16,979.44
  6. Step 6: Final answer
    x = 13,007.03

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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.