Home / 21,712.30-32,519.25-17,002.96

Finding the Fourth Proportional to 21,712.30, 32,519.25 and 17,002.96

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Solution

The fourth proportional to 21,712.30, 32,519.25 and 17,002.96 is: 25,465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712.30 : 32,519.25 = 17,002.96 : x
  2. Step 2: Convert to fraction form
    21,712.30/32,519.25 = 17,002.96/x
  3. Step 3: Cross multiply
    21,712.30x = 32,519.25 × 17,002.96
  4. Step 4: Simplify right side
    21,712.30x = 552,923,560.78
  5. Step 5: Solve for x
    x = 552,923,560.78/21,712.30
  6. Step 6: Final answer
    x = 25,465.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.