Home / 21,524.24-29,720.04-17,351.12

Finding the Fourth Proportional to 21,524.24, 29,720.04 and 17,351.12

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Solution

The fourth proportional to 21,524.24, 29,720.04 and 17,351.12 is: 23,957.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,524.24 : 29,720.04 = 17,351.12 : x
  2. Step 2: Convert to fraction form
    21,524.24/29,720.04 = 17,351.12/x
  3. Step 3: Cross multiply
    21,524.24x = 29,720.04 × 17,351.12
  4. Step 4: Simplify right side
    21,524.24x = 515,675,980.44
  5. Step 5: Solve for x
    x = 515,675,980.44/21,524.24
  6. Step 6: Final answer
    x = 23,957.92

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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.