Home / 26,940.09-37,177.89-15,005.55

Finding the Fourth Proportional to 26,940.09, 37,177.89 and 15,005.55

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Solution

The fourth proportional to 26,940.09, 37,177.89 and 15,005.55 is: 20,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,940.09 : 37,177.89 = 15,005.55 : x
  2. Step 2: Convert to fraction form
    26,940.09/37,177.89 = 15,005.55/x
  3. Step 3: Cross multiply
    26,940.09x = 37,177.89 × 15,005.55
  4. Step 4: Simplify right side
    26,940.09x = 557,874,687.29
  5. Step 5: Solve for x
    x = 557,874,687.29/26,940.09
  6. Step 6: Final answer
    x = 20,707.97

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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.