Home / 17,922.05-26,877.60-4,772.71

Finding the Fourth Proportional to 17,922.05, 26,877.60 and 4,772.71

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Solution

The fourth proportional to 17,922.05, 26,877.60 and 4,772.71 is: 7,157.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,922.05 : 26,877.60 = 4,772.71 : x
  2. Step 2: Convert to fraction form
    17,922.05/26,877.60 = 4,772.71/x
  3. Step 3: Cross multiply
    17,922.05x = 26,877.60 × 4,772.71
  4. Step 4: Simplify right side
    17,922.05x = 128,278,990.30
  5. Step 5: Solve for x
    x = 128,278,990.30/17,922.05
  6. Step 6: Final answer
    x = 7,157.61

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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.