Home / 20,703.33-31,058.79-9,608.49

Finding the Fourth Proportional to 20,703.33, 31,058.79 and 9,608.49

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Solution

The fourth proportional to 20,703.33, 31,058.79 and 9,608.49 is: 14,414.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,703.33 : 31,058.79 = 9,608.49 : x
  2. Step 2: Convert to fraction form
    20,703.33/31,058.79 = 9,608.49/x
  3. Step 3: Cross multiply
    20,703.33x = 31,058.79 × 9,608.49
  4. Step 4: Simplify right side
    20,703.33x = 298,428,073.13
  5. Step 5: Solve for x
    x = 298,428,073.13/20,703.33
  6. Step 6: Final answer
    x = 14,414.50

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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.