Home / 27,760.16-41,653.90-12,966.94

Finding the Fourth Proportional to 27,760.16, 41,653.90 and 12,966.94

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Solution

The fourth proportional to 27,760.16, 41,653.90 and 12,966.94 is: 19,456.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,760.16 : 41,653.90 = 12,966.94 : x
  2. Step 2: Convert to fraction form
    27,760.16/41,653.90 = 12,966.94/x
  3. Step 3: Cross multiply
    27,760.16x = 41,653.90 × 12,966.94
  4. Step 4: Simplify right side
    27,760.16x = 540,123,622.07
  5. Step 5: Solve for x
    x = 540,123,622.07/27,760.16
  6. Step 6: Final answer
    x = 19,456.79

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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.