Home / 17,616.20-26,424.30-9,815.72

Finding the Fourth Proportional to 17,616.20, 26,424.30 and 9,815.72

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Solution

The fourth proportional to 17,616.20, 26,424.30 and 9,815.72 is: 14,723.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,616.20 : 26,424.30 = 9,815.72 : x
  2. Step 2: Convert to fraction form
    17,616.20/26,424.30 = 9,815.72/x
  3. Step 3: Cross multiply
    17,616.20x = 26,424.30 × 9,815.72
  4. Step 4: Simplify right side
    17,616.20x = 259,373,530.00
  5. Step 5: Solve for x
    x = 259,373,530.00/17,616.20
  6. Step 6: Final answer
    x = 14,723.58

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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.