Home / 26,965.55-40,432.86-8,240.37

Finding the Fourth Proportional to 26,965.55, 40,432.86 and 8,240.37

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Solution

The fourth proportional to 26,965.55, 40,432.86 and 8,240.37 is: 12,355.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,965.55 : 40,432.86 = 8,240.37 : x
  2. Step 2: Convert to fraction form
    26,965.55/40,432.86 = 8,240.37/x
  3. Step 3: Cross multiply
    26,965.55x = 40,432.86 × 8,240.37
  4. Step 4: Simplify right side
    26,965.55x = 333,181,726.56
  5. Step 5: Solve for x
    x = 333,181,726.56/26,965.55
  6. Step 6: Final answer
    x = 12,355.83

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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.