Home / 26,523.36-39,786.12-10,939.50

Finding the Fourth Proportional to 26,523.36, 39,786.12 and 10,939.50

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Solution

The fourth proportional to 26,523.36, 39,786.12 and 10,939.50 is: 16,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,523.36 : 39,786.12 = 10,939.50 : x
  2. Step 2: Convert to fraction form
    26,523.36/39,786.12 = 10,939.50/x
  3. Step 3: Cross multiply
    26,523.36x = 39,786.12 × 10,939.50
  4. Step 4: Simplify right side
    26,523.36x = 435,240,259.74
  5. Step 5: Solve for x
    x = 435,240,259.74/26,523.36
  6. Step 6: Final answer
    x = 16,409.70

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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.