Home / 23,920.52-33,010.08-13,309.97

Finding the Fourth Proportional to 23,920.52, 33,010.08 and 13,309.97

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Solution

The fourth proportional to 23,920.52, 33,010.08 and 13,309.97 is: 18,367.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,920.52 : 33,010.08 = 13,309.97 : x
  2. Step 2: Convert to fraction form
    23,920.52/33,010.08 = 13,309.97/x
  3. Step 3: Cross multiply
    23,920.52x = 33,010.08 × 13,309.97
  4. Step 4: Simplify right side
    23,920.52x = 439,363,174.50
  5. Step 5: Solve for x
    x = 439,363,174.50/23,920.52
  6. Step 6: Final answer
    x = 18,367.63

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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.