Home / 23,930.71-33,023.09-13,173.49

Finding the Fourth Proportional to 23,930.71, 33,023.09 and 13,173.49

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Solution

The fourth proportional to 23,930.71, 33,023.09 and 13,173.49 is: 18,178.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,930.71 : 33,023.09 = 13,173.49 : x
  2. Step 2: Convert to fraction form
    23,930.71/33,023.09 = 13,173.49/x
  3. Step 3: Cross multiply
    23,930.71x = 33,023.09 × 13,173.49
  4. Step 4: Simplify right side
    23,930.71x = 435,029,345.88
  5. Step 5: Solve for x
    x = 435,029,345.88/23,930.71
  6. Step 6: Final answer
    x = 18,178.71

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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.