Home / 18,180.90-25,083.62-14,817.94

Finding the Fourth Proportional to 18,180.90, 25,083.62 and 14,817.94

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Solution

The fourth proportional to 18,180.90, 25,083.62 and 14,817.94 is: 20,443.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.90 : 25,083.62 = 14,817.94 : x
  2. Step 2: Convert to fraction form
    18,180.90/25,083.62 = 14,817.94/x
  3. Step 3: Cross multiply
    18,180.90x = 25,083.62 × 14,817.94
  4. Step 4: Simplify right side
    18,180.90x = 371,687,376.64
  5. Step 5: Solve for x
    x = 371,687,376.64/18,180.90
  6. Step 6: Final answer
    x = 20,443.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.