Home / 21,839.27-32,712.44-16,515.77

Finding the Fourth Proportional to 21,839.27, 32,712.44 and 16,515.77

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Solution

The fourth proportional to 21,839.27, 32,712.44 and 16,515.77 is: 24,738.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,839.27 : 32,712.44 = 16,515.77 : x
  2. Step 2: Convert to fraction form
    21,839.27/32,712.44 = 16,515.77/x
  3. Step 3: Cross multiply
    21,839.27x = 32,712.44 × 16,515.77
  4. Step 4: Simplify right side
    21,839.27x = 540,270,889.04
  5. Step 5: Solve for x
    x = 540,270,889.04/21,839.27
  6. Step 6: Final answer
    x = 24,738.51

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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.