Home / 26,809.52-36,998.81-15,481.09

Finding the Fourth Proportional to 26,809.52, 36,998.81 and 15,481.09

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Solution

The fourth proportional to 26,809.52, 36,998.81 and 15,481.09 is: 21,364.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,809.52 : 36,998.81 = 15,481.09 : x
  2. Step 2: Convert to fraction form
    26,809.52/36,998.81 = 15,481.09/x
  3. Step 3: Cross multiply
    26,809.52x = 36,998.81 × 15,481.09
  4. Step 4: Simplify right side
    26,809.52x = 572,781,907.50
  5. Step 5: Solve for x
    x = 572,781,907.50/26,809.52
  6. Step 6: Final answer
    x = 21,364.87

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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.