Home / 21,156.33-29,185.35-17,797.92

Finding the Fourth Proportional to 21,156.33, 29,185.35 and 17,797.92

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Solution

The fourth proportional to 21,156.33, 29,185.35 and 17,797.92 is: 24,552.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,156.33 : 29,185.35 = 17,797.92 : x
  2. Step 2: Convert to fraction form
    21,156.33/29,185.35 = 17,797.92/x
  3. Step 3: Cross multiply
    21,156.33x = 29,185.35 × 17,797.92
  4. Step 4: Simplify right side
    21,156.33x = 519,438,524.47
  5. Step 5: Solve for x
    x = 519,438,524.47/21,156.33
  6. Step 6: Final answer
    x = 24,552.39

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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.