Home / 27,144.72-40,697.64-13,303.44

Finding the Fourth Proportional to 27,144.72, 40,697.64 and 13,303.44

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Solution

The fourth proportional to 27,144.72, 40,697.64 and 13,303.44 is: 19,945.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,144.72 : 40,697.64 = 13,303.44 : x
  2. Step 2: Convert to fraction form
    27,144.72/40,697.64 = 13,303.44/x
  3. Step 3: Cross multiply
    27,144.72x = 40,697.64 × 13,303.44
  4. Step 4: Simplify right side
    27,144.72x = 541,418,611.88
  5. Step 5: Solve for x
    x = 541,418,611.88/27,144.72
  6. Step 6: Final answer
    x = 19,945.63

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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.