Home / 18,543.07-27,649.20-16,482.43

Finding the Fourth Proportional to 18,543.07, 27,649.20 and 16,482.43

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Solution

The fourth proportional to 18,543.07, 27,649.20 and 16,482.43 is: 24,576.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.07 : 27,649.20 = 16,482.43 : x
  2. Step 2: Convert to fraction form
    18,543.07/27,649.20 = 16,482.43/x
  3. Step 3: Cross multiply
    18,543.07x = 27,649.20 × 16,482.43
  4. Step 4: Simplify right side
    18,543.07x = 455,726,003.56
  5. Step 5: Solve for x
    x = 455,726,003.56/18,543.07
  6. Step 6: Final answer
    x = 24,576.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.