Home / 18,149.50-24,968.55-17,371.90

Finding the Fourth Proportional to 18,149.50, 24,968.55 and 17,371.90

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Solution

The fourth proportional to 18,149.50, 24,968.55 and 17,371.90 is: 23,898.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.50 : 24,968.55 = 17,371.90 : x
  2. Step 2: Convert to fraction form
    18,149.50/24,968.55 = 17,371.90/x
  3. Step 3: Cross multiply
    18,149.50x = 24,968.55 × 17,371.90
  4. Step 4: Simplify right side
    18,149.50x = 433,751,153.75
  5. Step 5: Solve for x
    x = 433,751,153.75/18,149.50
  6. Step 6: Final answer
    x = 23,898.79

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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.