Home / 21,734.25-29,995.10-13,773.57

Finding the Fourth Proportional to 21,734.25, 29,995.10 and 13,773.57

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Solution

The fourth proportional to 21,734.25, 29,995.10 and 13,773.57 is: 19,008.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,734.25 : 29,995.10 = 13,773.57 : x
  2. Step 2: Convert to fraction form
    21,734.25/29,995.10 = 13,773.57/x
  3. Step 3: Cross multiply
    21,734.25x = 29,995.10 × 13,773.57
  4. Step 4: Simplify right side
    21,734.25x = 413,139,540.64
  5. Step 5: Solve for x
    x = 413,139,540.64/21,734.25
  6. Step 6: Final answer
    x = 19,008.69

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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.