Home / 17,934.72-24,728.77-12,272.21

Finding the Fourth Proportional to 17,934.72, 24,728.77 and 12,272.21

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Solution

The fourth proportional to 17,934.72, 24,728.77 and 12,272.21 is: 16,921.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,934.72 : 24,728.77 = 12,272.21 : x
  2. Step 2: Convert to fraction form
    17,934.72/24,728.77 = 12,272.21/x
  3. Step 3: Cross multiply
    17,934.72x = 24,728.77 × 12,272.21
  4. Step 4: Simplify right side
    17,934.72x = 303,476,658.48
  5. Step 5: Solve for x
    x = 303,476,658.48/17,934.72
  6. Step 6: Final answer
    x = 16,921.18

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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.