Home / 15,335.73-21,169.25-9,669.27

Finding the Fourth Proportional to 15,335.73, 21,169.25 and 9,669.27

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Solution

The fourth proportional to 15,335.73, 21,169.25 and 9,669.27 is: 13,347.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,335.73 : 21,169.25 = 9,669.27 : x
  2. Step 2: Convert to fraction form
    15,335.73/21,169.25 = 9,669.27/x
  3. Step 3: Cross multiply
    15,335.73x = 21,169.25 × 9,669.27
  4. Step 4: Simplify right side
    15,335.73x = 204,691,261.25
  5. Step 5: Solve for x
    x = 204,691,261.25/15,335.73
  6. Step 6: Final answer
    x = 13,347.34

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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.