Home / 22,190.26-30,614.70-14,236.78

Finding the Fourth Proportional to 22,190.26, 30,614.70 and 14,236.78

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Solution

The fourth proportional to 22,190.26, 30,614.70 and 14,236.78 is: 19,641.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,190.26 : 30,614.70 = 14,236.78 : x
  2. Step 2: Convert to fraction form
    22,190.26/30,614.70 = 14,236.78/x
  3. Step 3: Cross multiply
    22,190.26x = 30,614.70 × 14,236.78
  4. Step 4: Simplify right side
    22,190.26x = 435,854,748.67
  5. Step 5: Solve for x
    x = 435,854,748.67/22,190.26
  6. Step 6: Final answer
    x = 19,641.71

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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.