Home / 26,912.75-37,139.60-15,136.75

Finding the Fourth Proportional to 26,912.75, 37,139.60 and 15,136.75

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Solution

The fourth proportional to 26,912.75, 37,139.60 and 15,136.75 is: 20,888.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,912.75 : 37,139.60 = 15,136.75 : x
  2. Step 2: Convert to fraction form
    26,912.75/37,139.60 = 15,136.75/x
  3. Step 3: Cross multiply
    26,912.75x = 37,139.60 × 15,136.75
  4. Step 4: Simplify right side
    26,912.75x = 562,172,764.62
  5. Step 5: Solve for x
    x = 562,172,764.62/26,912.75
  6. Step 6: Final answer
    x = 20,888.72

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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.