Home / 20,616.46-30,924.61-7,465.76

Finding the Fourth Proportional to 20,616.46, 30,924.61 and 7,465.76

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Solution

The fourth proportional to 20,616.46, 30,924.61 and 7,465.76 is: 11,198.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,616.46 : 30,924.61 = 7,465.76 : x
  2. Step 2: Convert to fraction form
    20,616.46/30,924.61 = 7,465.76/x
  3. Step 3: Cross multiply
    20,616.46x = 30,924.61 × 7,465.76
  4. Step 4: Simplify right side
    20,616.46x = 230,875,716.35
  5. Step 5: Solve for x
    x = 230,875,716.35/20,616.46
  6. Step 6: Final answer
    x = 11,198.61

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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.