Home / 18,376.20-27,531.90-16,302.60

Finding the Fourth Proportional to 18,376.20, 27,531.90 and 16,302.60

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Solution

The fourth proportional to 18,376.20, 27,531.90 and 16,302.60 is: 24,425.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.20 : 27,531.90 = 16,302.60 : x
  2. Step 2: Convert to fraction form
    18,376.20/27,531.90 = 16,302.60/x
  3. Step 3: Cross multiply
    18,376.20x = 27,531.90 × 16,302.60
  4. Step 4: Simplify right side
    18,376.20x = 448,841,552.94
  5. Step 5: Solve for x
    x = 448,841,552.94/18,376.20
  6. Step 6: Final answer
    x = 24,425.16

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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.