Home / 26,134.56-39,206.16-12,108.60

Finding the Fourth Proportional to 26,134.56, 39,206.16 and 12,108.60

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Solution

The fourth proportional to 26,134.56, 39,206.16 and 12,108.60 is: 18,164.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,134.56 : 39,206.16 = 12,108.60 : x
  2. Step 2: Convert to fraction form
    26,134.56/39,206.16 = 12,108.60/x
  3. Step 3: Cross multiply
    26,134.56x = 39,206.16 × 12,108.60
  4. Step 4: Simplify right side
    26,134.56x = 474,731,708.98
  5. Step 5: Solve for x
    x = 474,731,708.98/26,134.56
  6. Step 6: Final answer
    x = 18,164.90

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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.