Home / 22,986.18-34,479.30-7,191.30

Finding the Fourth Proportional to 22,986.18, 34,479.30 and 7,191.30

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Solution

The fourth proportional to 22,986.18, 34,479.30 and 7,191.30 is: 10,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,986.18 : 34,479.30 = 7,191.30 : x
  2. Step 2: Convert to fraction form
    22,986.18/34,479.30 = 7,191.30/x
  3. Step 3: Cross multiply
    22,986.18x = 34,479.30 × 7,191.30
  4. Step 4: Simplify right side
    22,986.18x = 247,950,990.09
  5. Step 5: Solve for x
    x = 247,950,990.09/22,986.18
  6. Step 6: Final answer
    x = 10,786.96

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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.