Home / 26,139.94-39,187.86-11,337.71

Finding the Fourth Proportional to 26,139.94, 39,187.86 and 11,337.71

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Solution

The fourth proportional to 26,139.94, 39,187.86 and 11,337.71 is: 16,996.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,139.94 : 39,187.86 = 11,337.71 : x
  2. Step 2: Convert to fraction form
    26,139.94/39,187.86 = 11,337.71/x
  3. Step 3: Cross multiply
    26,139.94x = 39,187.86 × 11,337.71
  4. Step 4: Simplify right side
    26,139.94x = 444,300,353.74
  5. Step 5: Solve for x
    x = 444,300,353.74/26,139.94
  6. Step 6: Final answer
    x = 16,996.99

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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.