Home / 26,853.35-40,218.67-12,823.21

Finding the Fourth Proportional to 26,853.35, 40,218.67 and 12,823.21

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Solution

The fourth proportional to 26,853.35, 40,218.67 and 12,823.21 is: 19,205.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,853.35 : 40,218.67 = 12,823.21 : x
  2. Step 2: Convert to fraction form
    26,853.35/40,218.67 = 12,823.21/x
  3. Step 3: Cross multiply
    26,853.35x = 40,218.67 × 12,823.21
  4. Step 4: Simplify right side
    26,853.35x = 515,732,218.18
  5. Step 5: Solve for x
    x = 515,732,218.18/26,853.35
  6. Step 6: Final answer
    x = 19,205.51

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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.