Home / 26,618.41-36,735.29-15,289.75

Finding the Fourth Proportional to 26,618.41, 36,735.29 and 15,289.75

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Solution

The fourth proportional to 26,618.41, 36,735.29 and 15,289.75 is: 21,100.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,618.41 : 36,735.29 = 15,289.75 : x
  2. Step 2: Convert to fraction form
    26,618.41/36,735.29 = 15,289.75/x
  3. Step 3: Cross multiply
    26,618.41x = 36,735.29 × 15,289.75
  4. Step 4: Simplify right side
    26,618.41x = 561,673,400.28
  5. Step 5: Solve for x
    x = 561,673,400.28/26,618.41
  6. Step 6: Final answer
    x = 21,100.94

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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.