Home / 26,816.70-40,239.45-11,235.90

Finding the Fourth Proportional to 26,816.70, 40,239.45 and 11,235.90

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Solution

The fourth proportional to 26,816.70, 40,239.45 and 11,235.90 is: 16,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,816.70 : 40,239.45 = 11,235.90 : x
  2. Step 2: Convert to fraction form
    26,816.70/40,239.45 = 11,235.90/x
  3. Step 3: Cross multiply
    26,816.70x = 40,239.45 × 11,235.90
  4. Step 4: Simplify right side
    26,816.70x = 452,126,436.26
  5. Step 5: Solve for x
    x = 452,126,436.26/26,816.70
  6. Step 6: Final answer
    x = 16,859.88

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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.