Home / 16,822.42-25,237.23-5,136.50

Finding the Fourth Proportional to 16,822.42, 25,237.23 and 5,136.50

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Solution

The fourth proportional to 16,822.42, 25,237.23 and 5,136.50 is: 7,705.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,822.42 : 25,237.23 = 5,136.50 : x
  2. Step 2: Convert to fraction form
    16,822.42/25,237.23 = 5,136.50/x
  3. Step 3: Cross multiply
    16,822.42x = 25,237.23 × 5,136.50
  4. Step 4: Simplify right side
    16,822.42x = 129,631,031.90
  5. Step 5: Solve for x
    x = 129,631,031.90/16,822.42
  6. Step 6: Final answer
    x = 7,705.85

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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.