Home / 26,842.38-37,043.56-15,511.50

Finding the Fourth Proportional to 26,842.38, 37,043.56 and 15,511.50

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Solution

The fourth proportional to 26,842.38, 37,043.56 and 15,511.50 is: 21,406.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,842.38 : 37,043.56 = 15,511.50 : x
  2. Step 2: Convert to fraction form
    26,842.38/37,043.56 = 15,511.50/x
  3. Step 3: Cross multiply
    26,842.38x = 37,043.56 × 15,511.50
  4. Step 4: Simplify right side
    26,842.38x = 574,601,180.94
  5. Step 5: Solve for x
    x = 574,601,180.94/26,842.38
  6. Step 6: Final answer
    x = 21,406.49

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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.