Home / 26,177.98-36,138.99-20,196.22

Finding the Fourth Proportional to 26,177.98, 36,138.99 and 20,196.22

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Solution

The fourth proportional to 26,177.98, 36,138.99 and 20,196.22 is: 27,881.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,177.98 : 36,138.99 = 20,196.22 : x
  2. Step 2: Convert to fraction form
    26,177.98/36,138.99 = 20,196.22/x
  3. Step 3: Cross multiply
    26,177.98x = 36,138.99 × 20,196.22
  4. Step 4: Simplify right side
    26,177.98x = 729,870,992.62
  5. Step 5: Solve for x
    x = 729,870,992.62/26,177.98
  6. Step 6: Final answer
    x = 27,881.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.