Home / 21,466.19-29,623.59-11,906.27

Finding the Fourth Proportional to 21,466.19, 29,623.59 and 11,906.27

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Solution

The fourth proportional to 21,466.19, 29,623.59 and 11,906.27 is: 16,430.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,466.19 : 29,623.59 = 11,906.27 : x
  2. Step 2: Convert to fraction form
    21,466.19/29,623.59 = 11,906.27/x
  3. Step 3: Cross multiply
    21,466.19x = 29,623.59 × 11,906.27
  4. Step 4: Simplify right side
    21,466.19x = 352,706,534.97
  5. Step 5: Solve for x
    x = 352,706,534.97/21,466.19
  6. Step 6: Final answer
    x = 16,430.79

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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.