Home / 12,358.88-18,540.13-3,592.66

Finding the Fourth Proportional to 12,358.88, 18,540.13 and 3,592.66

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Solution

The fourth proportional to 12,358.88, 18,540.13 and 3,592.66 is: 5,389.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.88 : 18,540.13 = 3,592.66 : x
  2. Step 2: Convert to fraction form
    12,358.88/18,540.13 = 3,592.66/x
  3. Step 3: Cross multiply
    12,358.88x = 18,540.13 × 3,592.66
  4. Step 4: Simplify right side
    12,358.88x = 66,608,383.45
  5. Step 5: Solve for x
    x = 66,608,383.45/12,358.88
  6. Step 6: Final answer
    x = 5,389.52

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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.