Home / 14,136.10-21,204.15-13,423.30

Finding the Fourth Proportional to 14,136.10, 21,204.15 and 13,423.30

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Solution

The fourth proportional to 14,136.10, 21,204.15 and 13,423.30 is: 20,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.10 : 21,204.15 = 13,423.30 : x
  2. Step 2: Convert to fraction form
    14,136.10/21,204.15 = 13,423.30/x
  3. Step 3: Cross multiply
    14,136.10x = 21,204.15 × 13,423.30
  4. Step 4: Simplify right side
    14,136.10x = 284,629,666.70
  5. Step 5: Solve for x
    x = 284,629,666.70/14,136.10
  6. Step 6: Final answer
    x = 20,134.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.