Home / 18,217.94-27,333.80-7,132.56

Finding the Fourth Proportional to 18,217.94, 27,333.80 and 7,132.56

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Solution

The fourth proportional to 18,217.94, 27,333.80 and 7,132.56 is: 10,701.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.94 : 27,333.80 = 7,132.56 : x
  2. Step 2: Convert to fraction form
    18,217.94/27,333.80 = 7,132.56/x
  3. Step 3: Cross multiply
    18,217.94x = 27,333.80 × 7,132.56
  4. Step 4: Simplify right side
    18,217.94x = 194,959,968.53
  5. Step 5: Solve for x
    x = 194,959,968.53/18,217.94
  6. Step 6: Final answer
    x = 10,701.54

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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.