Home / 26,145.96-39,186.80-12,086.96

Finding the Fourth Proportional to 26,145.96, 39,186.80 and 12,086.96

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Solution

The fourth proportional to 26,145.96, 39,186.80 and 12,086.96 is: 18,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,145.96 : 39,186.80 = 12,086.96 : x
  2. Step 2: Convert to fraction form
    26,145.96/39,186.80 = 12,086.96/x
  3. Step 3: Cross multiply
    26,145.96x = 39,186.80 × 12,086.96
  4. Step 4: Simplify right side
    26,145.96x = 473,649,284.13
  5. Step 5: Solve for x
    x = 473,649,284.13/26,145.96
  6. Step 6: Final answer
    x = 18,115.58

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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.