Home / 28,096.73-42,144.93-11,456.70

Finding the Fourth Proportional to 28,096.73, 42,144.93 and 11,456.70

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Solution

The fourth proportional to 28,096.73, 42,144.93 and 11,456.70 is: 17,184.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,096.73 : 42,144.93 = 11,456.70 : x
  2. Step 2: Convert to fraction form
    28,096.73/42,144.93 = 11,456.70/x
  3. Step 3: Cross multiply
    28,096.73x = 42,144.93 × 11,456.70
  4. Step 4: Simplify right side
    28,096.73x = 482,841,608.81
  5. Step 5: Solve for x
    x = 482,841,608.81/28,096.73
  6. Step 6: Final answer
    x = 17,184.98

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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.