Home / 14,930.39-22,399.67-11,820.75

Finding the Fourth Proportional to 14,930.39, 22,399.67 and 11,820.75

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Solution

The fourth proportional to 14,930.39, 22,399.67 and 11,820.75 is: 17,734.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,930.39 : 22,399.67 = 11,820.75 : x
  2. Step 2: Convert to fraction form
    14,930.39/22,399.67 = 11,820.75/x
  3. Step 3: Cross multiply
    14,930.39x = 22,399.67 × 11,820.75
  4. Step 4: Simplify right side
    14,930.39x = 264,780,928.70
  5. Step 5: Solve for x
    x = 264,780,928.70/14,930.39
  6. Step 6: Final answer
    x = 17,734.37

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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.