Home / 18,384.90-27,566.94-16,817.55

Finding the Fourth Proportional to 18,384.90, 27,566.94 and 16,817.55

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Solution

The fourth proportional to 18,384.90, 27,566.94 and 16,817.55 is: 25,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.90 : 27,566.94 = 16,817.55 : x
  2. Step 2: Convert to fraction form
    18,384.90/27,566.94 = 16,817.55/x
  3. Step 3: Cross multiply
    18,384.90x = 27,566.94 × 16,817.55
  4. Step 4: Simplify right side
    18,384.90x = 463,608,391.80
  5. Step 5: Solve for x
    x = 463,608,391.80/18,384.90
  6. Step 6: Final answer
    x = 25,216.80

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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.