Home / 16,458.45-24,681.60-8,135.70

Finding the Fourth Proportional to 16,458.45, 24,681.60 and 8,135.70

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Solution

The fourth proportional to 16,458.45, 24,681.60 and 8,135.70 is: 12,200.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,458.45 : 24,681.60 = 8,135.70 : x
  2. Step 2: Convert to fraction form
    16,458.45/24,681.60 = 8,135.70/x
  3. Step 3: Cross multiply
    16,458.45x = 24,681.60 × 8,135.70
  4. Step 4: Simplify right side
    16,458.45x = 200,802,093.12
  5. Step 5: Solve for x
    x = 200,802,093.12/16,458.45
  6. Step 6: Final answer
    x = 12,200.55

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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.