Home / 23,278.91-34,923.81-6,639.18

Finding the Fourth Proportional to 23,278.91, 34,923.81 and 6,639.18

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Solution

The fourth proportional to 23,278.91, 34,923.81 and 6,639.18 is: 9,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.91 : 34,923.81 = 6,639.18 : x
  2. Step 2: Convert to fraction form
    23,278.91/34,923.81 = 6,639.18/x
  3. Step 3: Cross multiply
    23,278.91x = 34,923.81 × 6,639.18
  4. Step 4: Simplify right side
    23,278.91x = 231,865,460.88
  5. Step 5: Solve for x
    x = 231,865,460.88/23,278.91
  6. Step 6: Final answer
    x = 9,960.33

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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.