Home / 19,177.92-28,755.36-7,924.59

Finding the Fourth Proportional to 19,177.92, 28,755.36 and 7,924.59

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Solution

The fourth proportional to 19,177.92, 28,755.36 and 7,924.59 is: 11,882.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.92 : 28,755.36 = 7,924.59 : x
  2. Step 2: Convert to fraction form
    19,177.92/28,755.36 = 7,924.59/x
  3. Step 3: Cross multiply
    19,177.92x = 28,755.36 × 7,924.59
  4. Step 4: Simplify right side
    19,177.92x = 227,874,438.30
  5. Step 5: Solve for x
    x = 227,874,438.30/19,177.92
  6. Step 6: Final answer
    x = 11,882.12

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1.5x scale

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.