Home / 19,845.45-27,385.86-10,893.11

Finding the Fourth Proportional to 19,845.45, 27,385.86 and 10,893.11

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Solution

The fourth proportional to 19,845.45, 27,385.86 and 10,893.11 is: 15,032.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,845.45 : 27,385.86 = 10,893.11 : x
  2. Step 2: Convert to fraction form
    19,845.45/27,385.86 = 10,893.11/x
  3. Step 3: Cross multiply
    19,845.45x = 27,385.86 × 10,893.11
  4. Step 4: Simplify right side
    19,845.45x = 298,317,048.50
  5. Step 5: Solve for x
    x = 298,317,048.50/19,845.45
  6. Step 6: Final answer
    x = 15,032.01

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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.