Home / 18,350.66-27,532.56-11,322.50

Finding the Fourth Proportional to 18,350.66, 27,532.56 and 11,322.50

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Solution

The fourth proportional to 18,350.66, 27,532.56 and 11,322.50 is: 16,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.66 : 27,532.56 = 11,322.50 : x
  2. Step 2: Convert to fraction form
    18,350.66/27,532.56 = 11,322.50/x
  3. Step 3: Cross multiply
    18,350.66x = 27,532.56 × 11,322.50
  4. Step 4: Simplify right side
    18,350.66x = 311,737,410.60
  5. Step 5: Solve for x
    x = 311,737,410.60/18,350.66
  6. Step 6: Final answer
    x = 16,987.80

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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.