Home / 22,716.96-34,078.64-7,923.72

Finding the Fourth Proportional to 22,716.96, 34,078.64 and 7,923.72

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Solution

The fourth proportional to 22,716.96, 34,078.64 and 7,923.72 is: 11,886.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,716.96 : 34,078.64 = 7,923.72 : x
  2. Step 2: Convert to fraction form
    22,716.96/34,078.64 = 7,923.72/x
  3. Step 3: Cross multiply
    22,716.96x = 34,078.64 × 7,923.72
  4. Step 4: Simplify right side
    22,716.96x = 270,029,601.34
  5. Step 5: Solve for x
    x = 270,029,601.34/22,716.96
  6. Step 6: Final answer
    x = 11,886.70

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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.