Home / 38,838.28-58,245.18-12,536.68

Finding the Fourth Proportional to 38,838.28, 58,245.18 and 12,536.68

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Solution

The fourth proportional to 38,838.28, 58,245.18 and 12,536.68 is: 18,801.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,838.28 : 58,245.18 = 12,536.68 : x
  2. Step 2: Convert to fraction form
    38,838.28/58,245.18 = 12,536.68/x
  3. Step 3: Cross multiply
    38,838.28x = 58,245.18 × 12,536.68
  4. Step 4: Simplify right side
    38,838.28x = 730,201,183.20
  5. Step 5: Solve for x
    x = 730,201,183.20/38,838.28
  6. Step 6: Final answer
    x = 18,801.07

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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.