Home / 19,745.20-27,248.31-10,792.70

Finding the Fourth Proportional to 19,745.20, 27,248.31 and 10,792.70

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Solution

The fourth proportional to 19,745.20, 27,248.31 and 10,792.70 is: 14,893.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,745.20 : 27,248.31 = 10,792.70 : x
  2. Step 2: Convert to fraction form
    19,745.20/27,248.31 = 10,792.70/x
  3. Step 3: Cross multiply
    19,745.20x = 27,248.31 × 10,792.70
  4. Step 4: Simplify right side
    19,745.20x = 294,082,645.13
  5. Step 5: Solve for x
    x = 294,082,645.13/19,745.20
  6. Step 6: Final answer
    x = 14,893.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.