Home / 26,945.45-37,181.88-15,618.50

Finding the Fourth Proportional to 26,945.45, 37,181.88 and 15,618.50

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Solution

The fourth proportional to 26,945.45, 37,181.88 and 15,618.50 is: 21,551.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,945.45 : 37,181.88 = 15,618.50 : x
  2. Step 2: Convert to fraction form
    26,945.45/37,181.88 = 15,618.50/x
  3. Step 3: Cross multiply
    26,945.45x = 37,181.88 × 15,618.50
  4. Step 4: Simplify right side
    26,945.45x = 580,725,146.30
  5. Step 5: Solve for x
    x = 580,725,146.30/26,945.45
  6. Step 6: Final answer
    x = 21,551.88

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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.