Home / 15,122.20-22,683.24-8,240.44

Finding the Fourth Proportional to 15,122.20, 22,683.24 and 8,240.44

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Solution

The fourth proportional to 15,122.20, 22,683.24 and 8,240.44 is: 12,360.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122.20 : 22,683.24 = 8,240.44 : x
  2. Step 2: Convert to fraction form
    15,122.20/22,683.24 = 8,240.44/x
  3. Step 3: Cross multiply
    15,122.20x = 22,683.24 × 8,240.44
  4. Step 4: Simplify right side
    15,122.20x = 186,919,878.23
  5. Step 5: Solve for x
    x = 186,919,878.23/15,122.20
  6. Step 6: Final answer
    x = 12,360.63

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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.