Home / 18,174.24-25,181.64-17,780.58

Finding the Fourth Proportional to 18,174.24, 25,181.64 and 17,780.58

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Solution

The fourth proportional to 18,174.24, 25,181.64 and 17,780.58 is: 24,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.24 : 25,181.64 = 17,780.58 : x
  2. Step 2: Convert to fraction form
    18,174.24/25,181.64 = 17,780.58/x
  3. Step 3: Cross multiply
    18,174.24x = 25,181.64 × 17,780.58
  4. Step 4: Simplify right side
    18,174.24x = 447,744,164.55
  5. Step 5: Solve for x
    x = 447,744,164.55/18,174.24
  6. Step 6: Final answer
    x = 24,636.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.