Home / 22,124.98-33,136.44-20,156.68

Finding the Fourth Proportional to 22,124.98, 33,136.44 and 20,156.68

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Solution

The fourth proportional to 22,124.98, 33,136.44 and 20,156.68 is: 30,188.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,124.98 : 33,136.44 = 20,156.68 : x
  2. Step 2: Convert to fraction form
    22,124.98/33,136.44 = 20,156.68/x
  3. Step 3: Cross multiply
    22,124.98x = 33,136.44 × 20,156.68
  4. Step 4: Simplify right side
    22,124.98x = 667,920,617.42
  5. Step 5: Solve for x
    x = 667,920,617.42/22,124.98
  6. Step 6: Final answer
    x = 30,188.53

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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.