Home / 18,401.24-25,384.38-12,031.58

Finding the Fourth Proportional to 18,401.24, 25,384.38 and 12,031.58

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Solution

The fourth proportional to 18,401.24, 25,384.38 and 12,031.58 is: 16,597.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.24 : 25,384.38 = 12,031.58 : x
  2. Step 2: Convert to fraction form
    18,401.24/25,384.38 = 12,031.58/x
  3. Step 3: Cross multiply
    18,401.24x = 25,384.38 × 12,031.58
  4. Step 4: Simplify right side
    18,401.24x = 305,414,198.72
  5. Step 5: Solve for x
    x = 305,414,198.72/18,401.24
  6. Step 6: Final answer
    x = 16,597.48

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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.