Home / 18,385.58-27,522.61-16,631.33

Finding the Fourth Proportional to 18,385.58, 27,522.61 and 16,631.33

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Solution

The fourth proportional to 18,385.58, 27,522.61 and 16,631.33 is: 24,896.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.58 : 27,522.61 = 16,631.33 : x
  2. Step 2: Convert to fraction form
    18,385.58/27,522.61 = 16,631.33/x
  3. Step 3: Cross multiply
    18,385.58x = 27,522.61 × 16,631.33
  4. Step 4: Simplify right side
    18,385.58x = 457,737,430.18
  5. Step 5: Solve for x
    x = 457,737,430.18/18,385.58
  6. Step 6: Final answer
    x = 24,896.54

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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.