Home / 21,664.07-29,883.94-13,044.26

Finding the Fourth Proportional to 21,664.07, 29,883.94 and 13,044.26

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Solution

The fourth proportional to 21,664.07, 29,883.94 and 13,044.26 is: 17,993.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,664.07 : 29,883.94 = 13,044.26 : x
  2. Step 2: Convert to fraction form
    21,664.07/29,883.94 = 13,044.26/x
  3. Step 3: Cross multiply
    21,664.07x = 29,883.94 × 13,044.26
  4. Step 4: Simplify right side
    21,664.07x = 389,813,883.18
  5. Step 5: Solve for x
    x = 389,813,883.18/21,664.07
  6. Step 6: Final answer
    x = 17,993.57

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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.