Home / 14,496.29-21,843.20-11,921.48

Finding the Fourth Proportional to 14,496.29, 21,843.20 and 11,921.48

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Solution

The fourth proportional to 14,496.29, 21,843.20 and 11,921.48 is: 17,963.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,496.29 : 21,843.20 = 11,921.48 : x
  2. Step 2: Convert to fraction form
    14,496.29/21,843.20 = 11,921.48/x
  3. Step 3: Cross multiply
    14,496.29x = 21,843.20 × 11,921.48
  4. Step 4: Simplify right side
    14,496.29x = 260,403,266.94
  5. Step 5: Solve for x
    x = 260,403,266.94/14,496.29
  6. Step 6: Final answer
    x = 17,963.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.