Home / 20,732.73-31,095.93-7,582.05

Finding the Fourth Proportional to 20,732.73, 31,095.93 and 7,582.05

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Solution

The fourth proportional to 20,732.73, 31,095.93 and 7,582.05 is: 11,371.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732.73 : 31,095.93 = 7,582.05 : x
  2. Step 2: Convert to fraction form
    20,732.73/31,095.93 = 7,582.05/x
  3. Step 3: Cross multiply
    20,732.73x = 31,095.93 × 7,582.05
  4. Step 4: Simplify right side
    20,732.73x = 235,770,896.06
  5. Step 5: Solve for x
    x = 235,770,896.06/20,732.73
  6. Step 6: Final answer
    x = 11,371.92

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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.