Home / 27,177.66-40,777.38-12,393.54

Finding the Fourth Proportional to 27,177.66, 40,777.38 and 12,393.54

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Solution

The fourth proportional to 27,177.66, 40,777.38 and 12,393.54 is: 18,595.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,177.66 : 40,777.38 = 12,393.54 : x
  2. Step 2: Convert to fraction form
    27,177.66/40,777.38 = 12,393.54/x
  3. Step 3: Cross multiply
    27,177.66x = 40,777.38 × 12,393.54
  4. Step 4: Simplify right side
    27,177.66x = 505,376,090.13
  5. Step 5: Solve for x
    x = 505,376,090.13/27,177.66
  6. Step 6: Final answer
    x = 18,595.28

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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.