Home / 22,282.13-30,749.34-12,850.70

Finding the Fourth Proportional to 22,282.13, 30,749.34 and 12,850.70

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Solution

The fourth proportional to 22,282.13, 30,749.34 and 12,850.70 is: 17,733.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,282.13 : 30,749.34 = 12,850.70 : x
  2. Step 2: Convert to fraction form
    22,282.13/30,749.34 = 12,850.70/x
  3. Step 3: Cross multiply
    22,282.13x = 30,749.34 × 12,850.70
  4. Step 4: Simplify right side
    22,282.13x = 395,150,389.79
  5. Step 5: Solve for x
    x = 395,150,389.79/22,282.13
  6. Step 6: Final answer
    x = 17,733.96

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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.