Home / 26,662.18-36,791.67-15,331.09

Finding the Fourth Proportional to 26,662.18, 36,791.67 and 15,331.09

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Solution

The fourth proportional to 26,662.18, 36,791.67 and 15,331.09 is: 21,155.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,662.18 : 36,791.67 = 15,331.09 : x
  2. Step 2: Convert to fraction form
    26,662.18/36,791.67 = 15,331.09/x
  3. Step 3: Cross multiply
    26,662.18x = 36,791.67 × 15,331.09
  4. Step 4: Simplify right side
    26,662.18x = 564,056,404.02
  5. Step 5: Solve for x
    x = 564,056,404.02/26,662.18
  6. Step 6: Final answer
    x = 21,155.67

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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.