Home / 27,511.08-37,945.86-16,906.68

Finding the Fourth Proportional to 27,511.08, 37,945.86 and 16,906.68

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Solution

The fourth proportional to 27,511.08, 37,945.86 and 16,906.68 is: 23,319.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,511.08 : 37,945.86 = 16,906.68 : x
  2. Step 2: Convert to fraction form
    27,511.08/37,945.86 = 16,906.68/x
  3. Step 3: Cross multiply
    27,511.08x = 37,945.86 × 16,906.68
  4. Step 4: Simplify right side
    27,511.08x = 641,538,512.34
  5. Step 5: Solve for x
    x = 641,538,512.34/27,511.08
  6. Step 6: Final answer
    x = 23,319.28

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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.