Home / 22,930.79-31,645.77-17,255.33

Finding the Fourth Proportional to 22,930.79, 31,645.77 and 17,255.33

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Solution

The fourth proportional to 22,930.79, 31,645.77 and 17,255.33 is: 23,813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,930.79 : 31,645.77 = 17,255.33 : x
  2. Step 2: Convert to fraction form
    22,930.79/31,645.77 = 17,255.33/x
  3. Step 3: Cross multiply
    22,930.79x = 31,645.77 × 17,255.33
  4. Step 4: Simplify right side
    22,930.79x = 546,058,046.23
  5. Step 5: Solve for x
    x = 546,058,046.23/22,930.79
  6. Step 6: Final answer
    x = 23,813.31

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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.