Home / 26,762.56-40,143.84-11,171.68

Finding the Fourth Proportional to 26,762.56, 40,143.84 and 11,171.68

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Solution

The fourth proportional to 26,762.56, 40,143.84 and 11,171.68 is: 16,757.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,762.56 : 40,143.84 = 11,171.68 : x
  2. Step 2: Convert to fraction form
    26,762.56/40,143.84 = 11,171.68/x
  3. Step 3: Cross multiply
    26,762.56x = 40,143.84 × 11,171.68
  4. Step 4: Simplify right side
    26,762.56x = 448,474,134.45
  5. Step 5: Solve for x
    x = 448,474,134.45/26,762.56
  6. Step 6: Final answer
    x = 16,757.52

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1.5x scale

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.