Home / 19,845.96-27,385.92-10,892.04

Finding the Fourth Proportional to 19,845.96, 27,385.92 and 10,892.04

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Solution

The fourth proportional to 19,845.96, 27,385.92 and 10,892.04 is: 15,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,845.96 : 27,385.92 = 10,892.04 : x
  2. Step 2: Convert to fraction form
    19,845.96/27,385.92 = 10,892.04/x
  3. Step 3: Cross multiply
    19,845.96x = 27,385.92 × 10,892.04
  4. Step 4: Simplify right side
    19,845.96x = 298,288,536.08
  5. Step 5: Solve for x
    x = 298,288,536.08/19,845.96
  6. Step 6: Final answer
    x = 15,030.19

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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.