Home / 26,945.70-40,420.35-9,176.10

Finding the Fourth Proportional to 26,945.70, 40,420.35 and 9,176.10

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Solution

The fourth proportional to 26,945.70, 40,420.35 and 9,176.10 is: 13,764.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,945.70 : 40,420.35 = 9,176.10 : x
  2. Step 2: Convert to fraction form
    26,945.70/40,420.35 = 9,176.10/x
  3. Step 3: Cross multiply
    26,945.70x = 40,420.35 × 9,176.10
  4. Step 4: Simplify right side
    26,945.70x = 370,901,173.64
  5. Step 5: Solve for x
    x = 370,901,173.64/26,945.70
  6. Step 6: Final answer
    x = 13,764.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.