Home / 19,745.76-27,247.32-10,792.68

Finding the Fourth Proportional to 19,745.76, 27,247.32 and 10,792.68

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Solution

The fourth proportional to 19,745.76, 27,247.32 and 10,792.68 is: 14,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,745.76 : 27,247.32 = 10,792.68 : x
  2. Step 2: Convert to fraction form
    19,745.76/27,247.32 = 10,792.68/x
  3. Step 3: Cross multiply
    19,745.76x = 27,247.32 × 10,792.68
  4. Step 4: Simplify right side
    19,745.76x = 294,071,605.62
  5. Step 5: Solve for x
    x = 294,071,605.62/19,745.76
  6. Step 6: Final answer
    x = 14,892.90

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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.