Home / 23,279.18-34,919.09-6,639.22

Finding the Fourth Proportional to 23,279.18, 34,919.09 and 6,639.22

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Solution

The fourth proportional to 23,279.18, 34,919.09 and 6,639.22 is: 9,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,279.18 : 34,919.09 = 6,639.22 : x
  2. Step 2: Convert to fraction form
    23,279.18/34,919.09 = 6,639.22/x
  3. Step 3: Cross multiply
    23,279.18x = 34,919.09 × 6,639.22
  4. Step 4: Simplify right side
    23,279.18x = 231,835,520.71
  5. Step 5: Solve for x
    x = 231,835,520.71/23,279.18
  6. Step 6: Final answer
    x = 9,958.92

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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.