Home / 15,106.20-22,664.70-6,343.80

Finding the Fourth Proportional to 15,106.20, 22,664.70 and 6,343.80

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Solution

The fourth proportional to 15,106.20, 22,664.70 and 6,343.80 is: 9,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106.20 : 22,664.70 = 6,343.80 : x
  2. Step 2: Convert to fraction form
    15,106.20/22,664.70 = 6,343.80/x
  3. Step 3: Cross multiply
    15,106.20x = 22,664.70 × 6,343.80
  4. Step 4: Simplify right side
    15,106.20x = 143,780,323.86
  5. Step 5: Solve for x
    x = 143,780,323.86/15,106.20
  6. Step 6: Final answer
    x = 9,517.97

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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.