Home / 17,013.60-25,520.40-5,326.83

Finding the Fourth Proportional to 17,013.60, 25,520.40 and 5,326.83

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Solution

The fourth proportional to 17,013.60, 25,520.40 and 5,326.83 is: 7,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,013.60 : 25,520.40 = 5,326.83 : x
  2. Step 2: Convert to fraction form
    17,013.60/25,520.40 = 5,326.83/x
  3. Step 3: Cross multiply
    17,013.60x = 25,520.40 × 5,326.83
  4. Step 4: Simplify right side
    17,013.60x = 135,942,832.33
  5. Step 5: Solve for x
    x = 135,942,832.33/17,013.60
  6. Step 6: Final answer
    x = 7,990.25

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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.